Home / 160,639.25-221,687.03-89,012.57

Finding the Fourth Proportional to 160,639.25, 221,687.03 and 89,012.57

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Solution

The fourth proportional to 160,639.25, 221,687.03 and 89,012.57 is: 122,840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,639.25 : 221,687.03 = 89,012.57 : x
  2. Step 2: Convert to fraction form
    160,639.25/221,687.03 = 89,012.57/x
  3. Step 3: Cross multiply
    160,639.25x = 221,687.03 × 89,012.57
  4. Step 4: Simplify right side
    160,639.25x = 19,732,932,275.97
  5. Step 5: Solve for x
    x = 19,732,932,275.97/160,639.25
  6. Step 6: Final answer
    x = 122,840.04

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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.