Home / 129,711.04-179,001.36-70,095.04

Finding the Fourth Proportional to 129,711.04, 179,001.36 and 70,095.04

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Solution

The fourth proportional to 129,711.04, 179,001.36 and 70,095.04 is: 96,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,711.04 : 179,001.36 = 70,095.04 : x
  2. Step 2: Convert to fraction form
    129,711.04/179,001.36 = 70,095.04/x
  3. Step 3: Cross multiply
    129,711.04x = 179,001.36 × 70,095.04
  4. Step 4: Simplify right side
    129,711.04x = 12,547,107,489.25
  5. Step 5: Solve for x
    x = 12,547,107,489.25/129,711.04
  6. Step 6: Final answer
    x = 96,731.22

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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.