Home / 157,292.28-217,110.78-107,020.44

Finding the Fourth Proportional to 157,292.28, 217,110.78 and 107,020.44

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Solution

The fourth proportional to 157,292.28, 217,110.78 and 107,020.44 is: 147,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,292.28 : 217,110.78 = 107,020.44 : x
  2. Step 2: Convert to fraction form
    157,292.28/217,110.78 = 107,020.44/x
  3. Step 3: Cross multiply
    157,292.28x = 217,110.78 × 107,020.44
  4. Step 4: Simplify right side
    157,292.28x = 23,235,291,204.34
  5. Step 5: Solve for x
    x = 23,235,291,204.34/157,292.28
  6. Step 6: Final answer
    x = 147,720.48

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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.