Home / 129,735.59-179,035.03-70,119.59

Finding the Fourth Proportional to 129,735.59, 179,035.03 and 70,119.59

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Solution

The fourth proportional to 129,735.59, 179,035.03 and 70,119.59 is: 96,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,735.59 : 179,035.03 = 70,119.59 : x
  2. Step 2: Convert to fraction form
    129,735.59/179,035.03 = 70,119.59/x
  3. Step 3: Cross multiply
    129,735.59x = 179,035.03 × 70,119.59
  4. Step 4: Simplify right side
    129,735.59x = 12,553,862,899.24
  5. Step 5: Solve for x
    x = 12,553,862,899.24/129,735.59
  6. Step 6: Final answer
    x = 96,764.99

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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.