Home / 133,789.12-200,658.15-67,210.76

Finding the Fourth Proportional to 133,789.12, 200,658.15 and 67,210.76

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Solution

The fourth proportional to 133,789.12, 200,658.15 and 67,210.76 is: 100,803.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,789.12 : 200,658.15 = 67,210.76 : x
  2. Step 2: Convert to fraction form
    133,789.12/200,658.15 = 67,210.76/x
  3. Step 3: Cross multiply
    133,789.12x = 200,658.15 × 67,210.76
  4. Step 4: Simplify right side
    133,789.12x = 13,486,387,263.34
  5. Step 5: Solve for x
    x = 13,486,387,263.34/133,789.12
  6. Step 6: Final answer
    x = 100,803.32

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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.