Home / 129,718.56-179,010.24-73,148.16

Finding the Fourth Proportional to 129,718.56, 179,010.24 and 73,148.16

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Solution

The fourth proportional to 129,718.56, 179,010.24 and 73,148.16 is: 100,943.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,718.56 : 179,010.24 = 73,148.16 : x
  2. Step 2: Convert to fraction form
    129,718.56/179,010.24 = 73,148.16/x
  3. Step 3: Cross multiply
    129,718.56x = 179,010.24 × 73,148.16
  4. Step 4: Simplify right side
    129,718.56x = 13,094,269,677.16
  5. Step 5: Solve for x
    x = 13,094,269,677.16/129,718.56
  6. Step 6: Final answer
    x = 100,943.69

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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.