Home / 87,875.28-121,269.96-50,153.04

Finding the Fourth Proportional to 87,875.28, 121,269.96 and 50,153.04

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Solution

The fourth proportional to 87,875.28, 121,269.96 and 50,153.04 is: 69,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,875.28 : 121,269.96 = 50,153.04 : x
  2. Step 2: Convert to fraction form
    87,875.28/121,269.96 = 50,153.04/x
  3. Step 3: Cross multiply
    87,875.28x = 121,269.96 × 50,153.04
  4. Step 4: Simplify right side
    87,875.28x = 6,082,057,154.68
  5. Step 5: Solve for x
    x = 6,082,057,154.68/87,875.28
  6. Step 6: Final answer
    x = 69,212.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.