Home / 119,681.20-179,381.67-76,932.10

Finding the Fourth Proportional to 119,681.20, 179,381.67 and 76,932.10

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Solution

The fourth proportional to 119,681.20, 179,381.67 and 76,932.10 is: 115,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,681.20 : 179,381.67 = 76,932.10 : x
  2. Step 2: Convert to fraction form
    119,681.20/179,381.67 = 76,932.10/x
  3. Step 3: Cross multiply
    119,681.20x = 179,381.67 × 76,932.10
  4. Step 4: Simplify right side
    119,681.20x = 13,800,208,574.61
  5. Step 5: Solve for x
    x = 13,800,208,574.61/119,681.20
  6. Step 6: Final answer
    x = 115,308.07

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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.