Home / 129,844.76-179,191.20-73,256

Finding the Fourth Proportional to 129,844.76, 179,191.20 and 73,256

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Solution

The fourth proportional to 129,844.76, 179,191.20 and 73,256 is: 101,096.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,844.76 : 179,191.20 = 73,256 : x
  2. Step 2: Convert to fraction form
    129,844.76/179,191.20 = 73,256/x
  3. Step 3: Cross multiply
    129,844.76x = 179,191.20 × 73,256
  4. Step 4: Simplify right side
    129,844.76x = 13,126,830,547.20
  5. Step 5: Solve for x
    x = 13,126,830,547.20/129,844.76
  6. Step 6: Final answer
    x = 101,096.34

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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.