Home / 129,892.16-179,256.28-73,305.52

Finding the Fourth Proportional to 129,892.16, 179,256.28 and 73,305.52

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Solution

The fourth proportional to 129,892.16, 179,256.28 and 73,305.52 is: 101,164.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,892.16 : 179,256.28 = 73,305.52 : x
  2. Step 2: Convert to fraction form
    129,892.16/179,256.28 = 73,305.52/x
  3. Step 3: Cross multiply
    129,892.16x = 179,256.28 × 73,305.52
  4. Step 4: Simplify right side
    129,892.16x = 13,140,474,818.67
  5. Step 5: Solve for x
    x = 13,140,474,818.67/129,892.16
  6. Step 6: Final answer
    x = 101,164.50

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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.