Home / 160,854.50-221,946.26-89,219.18

Finding the Fourth Proportional to 160,854.50, 221,946.26 and 89,219.18

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Solution

The fourth proportional to 160,854.50, 221,946.26 and 89,219.18 is: 123,104.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,854.50 : 221,946.26 = 89,219.18 : x
  2. Step 2: Convert to fraction form
    160,854.50/221,946.26 = 89,219.18/x
  3. Step 3: Cross multiply
    160,854.50x = 221,946.26 × 89,219.18
  4. Step 4: Simplify right side
    160,854.50x = 19,801,863,321.27
  5. Step 5: Solve for x
    x = 19,801,863,321.27/160,854.50
  6. Step 6: Final answer
    x = 123,104.19

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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.