Home / 125,116.80-187,675.56-62,772.72

Finding the Fourth Proportional to 125,116.80, 187,675.56 and 62,772.72

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Solution

The fourth proportional to 125,116.80, 187,675.56 and 62,772.72 is: 94,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,116.80 : 187,675.56 = 62,772.72 : x
  2. Step 2: Convert to fraction form
    125,116.80/187,675.56 = 62,772.72/x
  3. Step 3: Cross multiply
    125,116.80x = 187,675.56 × 62,772.72
  4. Step 4: Simplify right side
    125,116.80x = 11,780,905,378.72
  5. Step 5: Solve for x
    x = 11,780,905,378.72/125,116.80
  6. Step 6: Final answer
    x = 94,159.26

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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.