Home / 160,488.09-221,470.85-88,866.57

Finding the Fourth Proportional to 160,488.09, 221,470.85 and 88,866.57

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Solution

The fourth proportional to 160,488.09, 221,470.85 and 88,866.57 is: 122,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,488.09 : 221,470.85 = 88,866.57 : x
  2. Step 2: Convert to fraction form
    160,488.09/221,470.85 = 88,866.57/x
  3. Step 3: Cross multiply
    160,488.09x = 221,470.85 × 88,866.57
  4. Step 4: Simplify right side
    160,488.09x = 19,681,354,350.15
  5. Step 5: Solve for x
    x = 19,681,354,350.15/160,488.09
  6. Step 6: Final answer
    x = 122,634.36

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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.