Home / 87,966.08-121,406.40-69,244.16

Finding the Fourth Proportional to 87,966.08, 121,406.40 and 69,244.16

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Solution

The fourth proportional to 87,966.08, 121,406.40 and 69,244.16 is: 95,567.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.08 : 121,406.40 = 69,244.16 : x
  2. Step 2: Convert to fraction form
    87,966.08/121,406.40 = 69,244.16/x
  3. Step 3: Cross multiply
    87,966.08x = 121,406.40 × 69,244.16
  4. Step 4: Simplify right side
    87,966.08x = 8,406,684,186.62
  5. Step 5: Solve for x
    x = 8,406,684,186.62/87,966.08
  6. Step 6: Final answer
    x = 95,567.34

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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.