Home / 265,521.17-398,447.85-107,749.63

Finding the Fourth Proportional to 265,521.17, 398,447.85 and 107,749.63

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Solution

The fourth proportional to 265,521.17, 398,447.85 and 107,749.63 is: 161,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,521.17 : 398,447.85 = 107,749.63 : x
  2. Step 2: Convert to fraction form
    265,521.17/398,447.85 = 107,749.63/x
  3. Step 3: Cross multiply
    265,521.17x = 398,447.85 × 107,749.63
  4. Step 4: Simplify right side
    265,521.17x = 42,932,609,313.92
  5. Step 5: Solve for x
    x = 42,932,609,313.92/265,521.17
  6. Step 6: Final answer
    x = 161,691.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.