Home / 119,478.24-179,042.40-72,618.12

Finding the Fourth Proportional to 119,478.24, 179,042.40 and 72,618.12

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Solution

The fourth proportional to 119,478.24, 179,042.40 and 72,618.12 is: 108,820.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,478.24 : 179,042.40 = 72,618.12 : x
  2. Step 2: Convert to fraction form
    119,478.24/179,042.40 = 72,618.12/x
  3. Step 3: Cross multiply
    119,478.24x = 179,042.40 × 72,618.12
  4. Step 4: Simplify right side
    119,478.24x = 13,001,722,488.29
  5. Step 5: Solve for x
    x = 13,001,722,488.29/119,478.24
  6. Step 6: Final answer
    x = 108,820.84

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1.5x scale

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.