Home / 93,288.48-140,097.96-85,875.36

Finding the Fourth Proportional to 93,288.48, 140,097.96 and 85,875.36

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Solution

The fourth proportional to 93,288.48, 140,097.96 and 85,875.36 is: 128,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,288.48 : 140,097.96 = 85,875.36 : x
  2. Step 2: Convert to fraction form
    93,288.48/140,097.96 = 85,875.36/x
  3. Step 3: Cross multiply
    93,288.48x = 140,097.96 × 85,875.36
  4. Step 4: Simplify right side
    93,288.48x = 12,030,962,750.27
  5. Step 5: Solve for x
    x = 12,030,962,750.27/93,288.48
  6. Step 6: Final answer
    x = 128,965.15

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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.