Home / 93,165.30-139,747.95-91,853.10

Finding the Fourth Proportional to 93,165.30, 139,747.95 and 91,853.10

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Solution

The fourth proportional to 93,165.30, 139,747.95 and 91,853.10 is: 137,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,165.30 : 139,747.95 = 91,853.10 : x
  2. Step 2: Convert to fraction form
    93,165.30/139,747.95 = 91,853.10/x
  3. Step 3: Cross multiply
    93,165.30x = 139,747.95 × 91,853.10
  4. Step 4: Simplify right side
    93,165.30x = 12,836,282,426.15
  5. Step 5: Solve for x
    x = 12,836,282,426.15/93,165.30
  6. Step 6: Final answer
    x = 137,779.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.