Home / 133,780.91-200,700.95-45,031.50

Finding the Fourth Proportional to 133,780.91, 200,700.95 and 45,031.50

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Solution

The fourth proportional to 133,780.91, 200,700.95 and 45,031.50 is: 67,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,780.91 : 200,700.95 = 45,031.50 : x
  2. Step 2: Convert to fraction form
    133,780.91/200,700.95 = 45,031.50/x
  3. Step 3: Cross multiply
    133,780.91x = 200,700.95 × 45,031.50
  4. Step 4: Simplify right side
    133,780.91x = 9,037,864,604.77
  5. Step 5: Solve for x
    x = 9,037,864,604.77/133,780.91
  6. Step 6: Final answer
    x = 67,557.21

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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.