Home / 129,732.62-179,030.91-70,116.62

Finding the Fourth Proportional to 129,732.62, 179,030.91 and 70,116.62

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Solution

The fourth proportional to 129,732.62, 179,030.91 and 70,116.62 is: 96,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,732.62 : 179,030.91 = 70,116.62 : x
  2. Step 2: Convert to fraction form
    129,732.62/179,030.91 = 70,116.62/x
  3. Step 3: Cross multiply
    129,732.62x = 179,030.91 × 70,116.62
  4. Step 4: Simplify right side
    129,732.62x = 12,553,042,284.72
  5. Step 5: Solve for x
    x = 12,553,042,284.72/129,732.62
  6. Step 6: Final answer
    x = 96,760.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.