Home / 124,901.14-187,339.56-68,722.78

Finding the Fourth Proportional to 124,901.14, 187,339.56 and 68,722.78

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Solution

The fourth proportional to 124,901.14, 187,339.56 and 68,722.78 is: 103,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,901.14 : 187,339.56 = 68,722.78 : x
  2. Step 2: Convert to fraction form
    124,901.14/187,339.56 = 68,722.78/x
  3. Step 3: Cross multiply
    124,901.14x = 187,339.56 × 68,722.78
  4. Step 4: Simplify right side
    124,901.14x = 12,874,495,367.18
  5. Step 5: Solve for x
    x = 12,874,495,367.18/124,901.14
  6. Step 6: Final answer
    x = 103,077.48

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1.5x scale

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.