Home / 96,193.40-144,290.10-78,478.70

Finding the Fourth Proportional to 96,193.40, 144,290.10 and 78,478.70

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Solution

The fourth proportional to 96,193.40, 144,290.10 and 78,478.70 is: 117,718.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,193.40 : 144,290.10 = 78,478.70 : x
  2. Step 2: Convert to fraction form
    96,193.40/144,290.10 = 78,478.70/x
  3. Step 3: Cross multiply
    96,193.40x = 144,290.10 × 78,478.70
  4. Step 4: Simplify right side
    96,193.40x = 11,323,699,470.87
  5. Step 5: Solve for x
    x = 11,323,699,470.87/96,193.40
  6. Step 6: Final answer
    x = 117,718.05

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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.