Home / 125,126.28-187,689.96-36,380.16

Finding the Fourth Proportional to 125,126.28, 187,689.96 and 36,380.16

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Solution

The fourth proportional to 125,126.28, 187,689.96 and 36,380.16 is: 54,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,126.28 : 187,689.96 = 36,380.16 : x
  2. Step 2: Convert to fraction form
    125,126.28/187,689.96 = 36,380.16/x
  3. Step 3: Cross multiply
    125,126.28x = 187,689.96 × 36,380.16
  4. Step 4: Simplify right side
    125,126.28x = 6,828,190,775.19
  5. Step 5: Solve for x
    x = 6,828,190,775.19/125,126.28
  6. Step 6: Final answer
    x = 54,570.40

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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.