Home / 96,625.40-144,938.10-68,631.80

Finding the Fourth Proportional to 96,625.40, 144,938.10 and 68,631.80

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Solution

The fourth proportional to 96,625.40, 144,938.10 and 68,631.80 is: 102,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,625.40 : 144,938.10 = 68,631.80 : x
  2. Step 2: Convert to fraction form
    96,625.40/144,938.10 = 68,631.80/x
  3. Step 3: Cross multiply
    96,625.40x = 144,938.10 × 68,631.80
  4. Step 4: Simplify right side
    96,625.40x = 9,947,362,691.58
  5. Step 5: Solve for x
    x = 9,947,362,691.58/96,625.40
  6. Step 6: Final answer
    x = 102,947.70

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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.