Home / 124,734.90-187,102.35-72,246.90

Finding the Fourth Proportional to 124,734.90, 187,102.35 and 72,246.90

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Solution

The fourth proportional to 124,734.90, 187,102.35 and 72,246.90 is: 108,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734.90 : 187,102.35 = 72,246.90 : x
  2. Step 2: Convert to fraction form
    124,734.90/187,102.35 = 72,246.90/x
  3. Step 3: Cross multiply
    124,734.90x = 187,102.35 × 72,246.90
  4. Step 4: Simplify right side
    124,734.90x = 13,517,564,770.22
  5. Step 5: Solve for x
    x = 13,517,564,770.22/124,734.90
  6. Step 6: Final answer
    x = 108,370.35

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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.