Home / 125,146.14-187,828.56-72,483.18

Finding the Fourth Proportional to 125,146.14, 187,828.56 and 72,483.18

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Solution

The fourth proportional to 125,146.14, 187,828.56 and 72,483.18 is: 108,788.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,146.14 : 187,828.56 = 72,483.18 : x
  2. Step 2: Convert to fraction form
    125,146.14/187,828.56 = 72,483.18/x
  3. Step 3: Cross multiply
    125,146.14x = 187,828.56 × 72,483.18
  4. Step 4: Simplify right side
    125,146.14x = 13,614,411,323.62
  5. Step 5: Solve for x
    x = 13,614,411,323.62/125,146.14
  6. Step 6: Final answer
    x = 108,788.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.