Home / 131,338.83-197,035.95-42,585.42

Finding the Fourth Proportional to 131,338.83, 197,035.95 and 42,585.42

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Solution

The fourth proportional to 131,338.83, 197,035.95 and 42,585.42 is: 63,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,338.83 : 197,035.95 = 42,585.42 : x
  2. Step 2: Convert to fraction form
    131,338.83/197,035.95 = 42,585.42/x
  3. Step 3: Cross multiply
    131,338.83x = 197,035.95 × 42,585.42
  4. Step 4: Simplify right side
    131,338.83x = 8,390,858,685.85
  5. Step 5: Solve for x
    x = 8,390,858,685.85/131,338.83
  6. Step 6: Final answer
    x = 63,887.11

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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.