Home / 157,443.42-217,261.07-88,543.19

Finding the Fourth Proportional to 157,443.42, 217,261.07 and 88,543.19

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Solution

The fourth proportional to 157,443.42, 217,261.07 and 88,543.19 is: 122,183.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,443.42 : 217,261.07 = 88,543.19 : x
  2. Step 2: Convert to fraction form
    157,443.42/217,261.07 = 88,543.19/x
  3. Step 3: Cross multiply
    157,443.42x = 217,261.07 × 88,543.19
  4. Step 4: Simplify right side
    157,443.42x = 19,236,986,671.59
  5. Step 5: Solve for x
    x = 19,236,986,671.59/157,443.42
  6. Step 6: Final answer
    x = 122,183.49

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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.