Home / 125,145.83-187,717.14-30,376.74

Finding the Fourth Proportional to 125,145.83, 187,717.14 and 30,376.74

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Solution

The fourth proportional to 125,145.83, 187,717.14 and 30,376.74 is: 45,564.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,145.83 : 187,717.14 = 30,376.74 : x
  2. Step 2: Convert to fraction form
    125,145.83/187,717.14 = 30,376.74/x
  3. Step 3: Cross multiply
    125,145.83x = 187,717.14 × 30,376.74
  4. Step 4: Simplify right side
    125,145.83x = 5,702,234,755.32
  5. Step 5: Solve for x
    x = 5,702,234,755.32/125,145.83
  6. Step 6: Final answer
    x = 45,564.72

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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.