Home / 160,777.55-221,886.32-89,180.70

Finding the Fourth Proportional to 160,777.55, 221,886.32 and 89,180.70

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Solution

The fourth proportional to 160,777.55, 221,886.32 and 89,180.70 is: 123,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,777.55 : 221,886.32 = 89,180.70 : x
  2. Step 2: Convert to fraction form
    160,777.55/221,886.32 = 89,180.70/x
  3. Step 3: Cross multiply
    160,777.55x = 221,886.32 × 89,180.70
  4. Step 4: Simplify right side
    160,777.55x = 19,787,976,892.12
  5. Step 5: Solve for x
    x = 19,787,976,892.12/160,777.55
  6. Step 6: Final answer
    x = 123,076.74

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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.