Home / 119,674.27-179,341.91-66,389.55

Finding the Fourth Proportional to 119,674.27, 179,341.91 and 66,389.55

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Solution

The fourth proportional to 119,674.27, 179,341.91 and 66,389.55 is: 99,490.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,674.27 : 179,341.91 = 66,389.55 : x
  2. Step 2: Convert to fraction form
    119,674.27/179,341.91 = 66,389.55/x
  3. Step 3: Cross multiply
    119,674.27x = 179,341.91 × 66,389.55
  4. Step 4: Simplify right side
    119,674.27x = 11,906,428,701.04
  5. Step 5: Solve for x
    x = 11,906,428,701.04/119,674.27
  6. Step 6: Final answer
    x = 99,490.30

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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.