Home / 140,666.52-211,036.04-50,705.66

Finding the Fourth Proportional to 140,666.52, 211,036.04 and 50,705.66

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Solution

The fourth proportional to 140,666.52, 211,036.04 and 50,705.66 is: 76,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,666.52 : 211,036.04 = 50,705.66 : x
  2. Step 2: Convert to fraction form
    140,666.52/211,036.04 = 50,705.66/x
  3. Step 3: Cross multiply
    140,666.52x = 211,036.04 × 50,705.66
  4. Step 4: Simplify right side
    140,666.52x = 10,700,721,691.99
  5. Step 5: Solve for x
    x = 10,700,721,691.99/140,666.52
  6. Step 6: Final answer
    x = 76,071.56

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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.