Home / 160,250.20-221,139.76-88,630

Finding the Fourth Proportional to 160,250.20, 221,139.76 and 88,630

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Solution

The fourth proportional to 160,250.20, 221,139.76 and 88,630 is: 122,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,250.20 : 221,139.76 = 88,630 : x
  2. Step 2: Convert to fraction form
    160,250.20/221,139.76 = 88,630/x
  3. Step 3: Cross multiply
    160,250.20x = 221,139.76 × 88,630
  4. Step 4: Simplify right side
    160,250.20x = 19,599,616,928.80
  5. Step 5: Solve for x
    x = 19,599,616,928.80/160,250.20
  6. Step 6: Final answer
    x = 122,306.35

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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.