Home / 129,732.84-179,031.24-70,116.84

Finding the Fourth Proportional to 129,732.84, 179,031.24 and 70,116.84

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Solution

The fourth proportional to 129,732.84, 179,031.24 and 70,116.84 is: 96,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,732.84 : 179,031.24 = 70,116.84 : x
  2. Step 2: Convert to fraction form
    129,732.84/179,031.24 = 70,116.84/x
  3. Step 3: Cross multiply
    129,732.84x = 179,031.24 × 70,116.84
  4. Step 4: Simplify right side
    129,732.84x = 12,553,104,810.08
  5. Step 5: Solve for x
    x = 12,553,104,810.08/129,732.84
  6. Step 6: Final answer
    x = 96,761.20

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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.