Home / 122,338.95-168,793.05-71,353.90

Finding the Fourth Proportional to 122,338.95, 168,793.05 and 71,353.90

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Solution

The fourth proportional to 122,338.95, 168,793.05 and 71,353.90 is: 98,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,338.95 : 168,793.05 = 71,353.90 : x
  2. Step 2: Convert to fraction form
    122,338.95/168,793.05 = 71,353.90/x
  3. Step 3: Cross multiply
    122,338.95x = 168,793.05 × 71,353.90
  4. Step 4: Simplify right side
    122,338.95x = 12,044,042,410.40
  5. Step 5: Solve for x
    x = 12,044,042,410.40/122,338.95
  6. Step 6: Final answer
    x = 98,448.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.