Home / 160,733.76-221,806.56-89,114.88

Finding the Fourth Proportional to 160,733.76, 221,806.56 and 89,114.88

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Solution

The fourth proportional to 160,733.76, 221,806.56 and 89,114.88 is: 122,975.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,733.76 : 221,806.56 = 89,114.88 : x
  2. Step 2: Convert to fraction form
    160,733.76/221,806.56 = 89,114.88/x
  3. Step 3: Cross multiply
    160,733.76x = 221,806.56 × 89,114.88
  4. Step 4: Simplify right side
    160,733.76x = 19,766,264,977.61
  5. Step 5: Solve for x
    x = 19,766,264,977.61/160,733.76
  6. Step 6: Final answer
    x = 122,975.19

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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.