Home / 125,396.43-187,995.69-62,172.96

Finding the Fourth Proportional to 125,396.43, 187,995.69 and 62,172.96

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Solution

The fourth proportional to 125,396.43, 187,995.69 and 62,172.96 is: 93,210.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,396.43 : 187,995.69 = 62,172.96 : x
  2. Step 2: Convert to fraction form
    125,396.43/187,995.69 = 62,172.96/x
  3. Step 3: Cross multiply
    125,396.43x = 187,995.69 × 62,172.96
  4. Step 4: Simplify right side
    125,396.43x = 11,688,248,514.54
  5. Step 5: Solve for x
    x = 11,688,248,514.54/125,396.43
  6. Step 6: Final answer
    x = 93,210.38

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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.