Home / 129,799.59-179,123.58-73,210.97

Finding the Fourth Proportional to 129,799.59, 179,123.58 and 73,210.97

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Solution

The fourth proportional to 129,799.59, 179,123.58 and 73,210.97 is: 101,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,799.59 : 179,123.58 = 73,210.97 : x
  2. Step 2: Convert to fraction form
    129,799.59/179,123.58 = 73,210.97/x
  3. Step 3: Cross multiply
    129,799.59x = 179,123.58 × 73,210.97
  4. Step 4: Simplify right side
    129,799.59x = 13,113,810,146.05
  5. Step 5: Solve for x
    x = 13,113,810,146.05/129,799.59
  6. Step 6: Final answer
    x = 101,031.21

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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.