Home / 125,241.62-172,840.50-74,284.52

Finding the Fourth Proportional to 125,241.62, 172,840.50 and 74,284.52

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Solution

The fourth proportional to 125,241.62, 172,840.50 and 74,284.52 is: 102,516.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,241.62 : 172,840.50 = 74,284.52 : x
  2. Step 2: Convert to fraction form
    125,241.62/172,840.50 = 74,284.52/x
  3. Step 3: Cross multiply
    125,241.62x = 172,840.50 × 74,284.52
  4. Step 4: Simplify right side
    125,241.62x = 12,839,372,714.86
  5. Step 5: Solve for x
    x = 12,839,372,714.86/125,241.62
  6. Step 6: Final answer
    x = 102,516.82

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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.