Home / 129,833.16-179,178.12-73,243.32

Finding the Fourth Proportional to 129,833.16, 179,178.12 and 73,243.32

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Solution

The fourth proportional to 129,833.16, 179,178.12 and 73,243.32 is: 101,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,833.16 : 179,178.12 = 73,243.32 : x
  2. Step 2: Convert to fraction form
    129,833.16/179,178.12 = 73,243.32/x
  3. Step 3: Cross multiply
    129,833.16x = 179,178.12 × 73,243.32
  4. Step 4: Simplify right side
    129,833.16x = 13,123,600,380.16
  5. Step 5: Solve for x
    x = 13,123,600,380.16/129,833.16
  6. Step 6: Final answer
    x = 101,080.50

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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.