Home / 157,865.73-217,854.63-89,879.19

Finding the Fourth Proportional to 157,865.73, 217,854.63 and 89,879.19

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Solution

The fourth proportional to 157,865.73, 217,854.63 and 89,879.19 is: 124,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,865.73 : 217,854.63 = 89,879.19 : x
  2. Step 2: Convert to fraction form
    157,865.73/217,854.63 = 89,879.19/x
  3. Step 3: Cross multiply
    157,865.73x = 217,854.63 × 89,879.19
  4. Step 4: Simplify right side
    157,865.73x = 19,580,597,682.15
  5. Step 5: Solve for x
    x = 19,580,597,682.15/157,865.73
  6. Step 6: Final answer
    x = 124,033.24

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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.