Home / 137,125.05-205,709.48-42,332.95

Finding the Fourth Proportional to 137,125.05, 205,709.48 and 42,332.95

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Solution

The fourth proportional to 137,125.05, 205,709.48 and 42,332.95 is: 63,506.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,125.05 : 205,709.48 = 42,332.95 : x
  2. Step 2: Convert to fraction form
    137,125.05/205,709.48 = 42,332.95/x
  3. Step 3: Cross multiply
    137,125.05x = 205,709.48 × 42,332.95
  4. Step 4: Simplify right side
    137,125.05x = 8,708,288,722.92
  5. Step 5: Solve for x
    x = 8,708,288,722.92/137,125.05
  6. Step 6: Final answer
    x = 63,506.19

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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.