Home / 121,849.93-182,714.95-42,952.69

Finding the Fourth Proportional to 121,849.93, 182,714.95 and 42,952.69

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Solution

The fourth proportional to 121,849.93, 182,714.95 and 42,952.69 is: 64,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,849.93 : 182,714.95 = 42,952.69 : x
  2. Step 2: Convert to fraction form
    121,849.93/182,714.95 = 42,952.69/x
  3. Step 3: Cross multiply
    121,849.93x = 182,714.95 × 42,952.69
  4. Step 4: Simplify right side
    121,849.93x = 7,848,098,605.72
  5. Step 5: Solve for x
    x = 7,848,098,605.72/121,849.93
  6. Step 6: Final answer
    x = 64,407.90

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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.