Home / 120,280.27-165,991.98-66,565.30

Finding the Fourth Proportional to 120,280.27, 165,991.98 and 66,565.30

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Solution

The fourth proportional to 120,280.27, 165,991.98 and 66,565.30 is: 91,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,280.27 : 165,991.98 = 66,565.30 : x
  2. Step 2: Convert to fraction form
    120,280.27/165,991.98 = 66,565.30/x
  3. Step 3: Cross multiply
    120,280.27x = 165,991.98 × 66,565.30
  4. Step 4: Simplify right side
    120,280.27x = 11,049,305,946.29
  5. Step 5: Solve for x
    x = 11,049,305,946.29/120,280.27
  6. Step 6: Final answer
    x = 91,863.00

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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.