Home / 129,732.12-179,030.22-70,116.12

Finding the Fourth Proportional to 129,732.12, 179,030.22 and 70,116.12

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Solution

The fourth proportional to 129,732.12, 179,030.22 and 70,116.12 is: 96,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,732.12 : 179,030.22 = 70,116.12 : x
  2. Step 2: Convert to fraction form
    129,732.12/179,030.22 = 70,116.12/x
  3. Step 3: Cross multiply
    129,732.12x = 179,030.22 × 70,116.12
  4. Step 4: Simplify right side
    129,732.12x = 12,552,904,389.15
  5. Step 5: Solve for x
    x = 12,552,904,389.15/129,732.12
  6. Step 6: Final answer
    x = 96,760.19

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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.