Home / 93,521.10-140,281.65-76,899.90

Finding the Fourth Proportional to 93,521.10, 140,281.65 and 76,899.90

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Solution

The fourth proportional to 93,521.10, 140,281.65 and 76,899.90 is: 115,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,521.10 : 140,281.65 = 76,899.90 : x
  2. Step 2: Convert to fraction form
    93,521.10/140,281.65 = 76,899.90/x
  3. Step 3: Cross multiply
    93,521.10x = 140,281.65 × 76,899.90
  4. Step 4: Simplify right side
    93,521.10x = 10,787,644,856.84
  5. Step 5: Solve for x
    x = 10,787,644,856.84/93,521.10
  6. Step 6: Final answer
    x = 115,349.85

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1.5x scale

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.