Home / 148,511.16-204,945.84-88,111.71

Finding the Fourth Proportional to 148,511.16, 204,945.84 and 88,111.71

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Solution

The fourth proportional to 148,511.16, 204,945.84 and 88,111.71 is: 121,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,511.16 : 204,945.84 = 88,111.71 : x
  2. Step 2: Convert to fraction form
    148,511.16/204,945.84 = 88,111.71/x
  3. Step 3: Cross multiply
    148,511.16x = 204,945.84 × 88,111.71
  4. Step 4: Simplify right side
    148,511.16x = 18,058,128,419.79
  5. Step 5: Solve for x
    x = 18,058,128,419.79/148,511.16
  6. Step 6: Final answer
    x = 121,594.42

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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.