Home / 121,488.96-182,234.64-42,605.08

Finding the Fourth Proportional to 121,488.96, 182,234.64 and 42,605.08

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Solution

The fourth proportional to 121,488.96, 182,234.64 and 42,605.08 is: 63,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,488.96 : 182,234.64 = 42,605.08 : x
  2. Step 2: Convert to fraction form
    121,488.96/182,234.64 = 42,605.08/x
  3. Step 3: Cross multiply
    121,488.96x = 182,234.64 × 42,605.08
  4. Step 4: Simplify right side
    121,488.96x = 7,764,121,415.97
  5. Step 5: Solve for x
    x = 7,764,121,415.97/121,488.96
  6. Step 6: Final answer
    x = 63,908.04

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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.