Home / 125,397.42-187,774.96-69,175.01

Finding the Fourth Proportional to 125,397.42, 187,774.96 and 69,175.01

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Solution

The fourth proportional to 125,397.42, 187,774.96 and 69,175.01 is: 103,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,397.42 : 187,774.96 = 69,175.01 : x
  2. Step 2: Convert to fraction form
    125,397.42/187,774.96 = 69,175.01/x
  3. Step 3: Cross multiply
    125,397.42x = 187,774.96 × 69,175.01
  4. Step 4: Simplify right side
    125,397.42x = 12,989,335,161.95
  5. Step 5: Solve for x
    x = 12,989,335,161.95/125,397.42
  6. Step 6: Final answer
    x = 103,585.35

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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.