Home / 129,950.28-179,331.36-73,365.30

Finding the Fourth Proportional to 129,950.28, 179,331.36 and 73,365.30

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Solution

The fourth proportional to 129,950.28, 179,331.36 and 73,365.30 is: 101,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,950.28 : 179,331.36 = 73,365.30 : x
  2. Step 2: Convert to fraction form
    129,950.28/179,331.36 = 73,365.30/x
  3. Step 3: Cross multiply
    129,950.28x = 179,331.36 × 73,365.30
  4. Step 4: Simplify right side
    129,950.28x = 13,156,699,025.81
  5. Step 5: Solve for x
    x = 13,156,699,025.81/129,950.28
  6. Step 6: Final answer
    x = 101,244.10

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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.