Home / 180,082.08-248,512.32-99,515.20

Finding the Fourth Proportional to 180,082.08, 248,512.32 and 99,515.20

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Solution

The fourth proportional to 180,082.08, 248,512.32 and 99,515.20 is: 137,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,082.08 : 248,512.32 = 99,515.20 : x
  2. Step 2: Convert to fraction form
    180,082.08/248,512.32 = 99,515.20/x
  3. Step 3: Cross multiply
    180,082.08x = 248,512.32 × 99,515.20
  4. Step 4: Simplify right side
    180,082.08x = 24,730,753,227.26
  5. Step 5: Solve for x
    x = 24,730,753,227.26/180,082.08
  6. Step 6: Final answer
    x = 137,330.45

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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.