Home / 220,050.95-303,623.63-129,373.83

Finding the Fourth Proportional to 220,050.95, 303,623.63 and 129,373.83

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Solution

The fourth proportional to 220,050.95, 303,623.63 and 129,373.83 is: 178,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,050.95 : 303,623.63 = 129,373.83 : x
  2. Step 2: Convert to fraction form
    220,050.95/303,623.63 = 129,373.83/x
  3. Step 3: Cross multiply
    220,050.95x = 303,623.63 × 129,373.83
  4. Step 4: Simplify right side
    220,050.95x = 39,280,951,244.73
  5. Step 5: Solve for x
    x = 39,280,951,244.73/220,050.95
  6. Step 6: Final answer
    x = 178,508.44

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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.