Home / 157,442.02-217,261.78-89,449.56

Finding the Fourth Proportional to 157,442.02, 217,261.78 and 89,449.56

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Solution

The fourth proportional to 157,442.02, 217,261.78 and 89,449.56 is: 123,435.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,442.02 : 217,261.78 = 89,449.56 : x
  2. Step 2: Convert to fraction form
    157,442.02/217,261.78 = 89,449.56/x
  3. Step 3: Cross multiply
    157,442.02x = 217,261.78 × 89,449.56
  4. Step 4: Simplify right side
    157,442.02x = 19,433,970,178.57
  5. Step 5: Solve for x
    x = 19,433,970,178.57/157,442.02
  6. Step 6: Final answer
    x = 123,435.73

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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.