Home / 160,726.28-221,801.90-89,104.46

Finding the Fourth Proportional to 160,726.28, 221,801.90 and 89,104.46

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Solution

The fourth proportional to 160,726.28, 221,801.90 and 89,104.46 is: 122,963.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,726.28 : 221,801.90 = 89,104.46 : x
  2. Step 2: Convert to fraction form
    160,726.28/221,801.90 = 89,104.46/x
  3. Step 3: Cross multiply
    160,726.28x = 221,801.90 × 89,104.46
  4. Step 4: Simplify right side
    160,726.28x = 19,763,536,971.94
  5. Step 5: Solve for x
    x = 19,763,536,971.94/160,726.28
  6. Step 6: Final answer
    x = 122,963.95

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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.