Home / 125,133.13-187,714.28-40,899.61

Finding the Fourth Proportional to 125,133.13, 187,714.28 and 40,899.61

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Solution

The fourth proportional to 125,133.13, 187,714.28 and 40,899.61 is: 61,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133.13 : 187,714.28 = 40,899.61 : x
  2. Step 2: Convert to fraction form
    125,133.13/187,714.28 = 40,899.61/x
  3. Step 3: Cross multiply
    125,133.13x = 187,714.28 × 40,899.61
  4. Step 4: Simplify right side
    125,133.13x = 7,677,441,312.72
  5. Step 5: Solve for x
    x = 7,677,441,312.72/125,133.13
  6. Step 6: Final answer
    x = 61,354.18

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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.