Home / 160,988.64-222,159.96-89,366.82

Finding the Fourth Proportional to 160,988.64, 222,159.96 and 89,366.82

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Solution

The fourth proportional to 160,988.64, 222,159.96 and 89,366.82 is: 123,323.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,988.64 : 222,159.96 = 89,366.82 : x
  2. Step 2: Convert to fraction form
    160,988.64/222,159.96 = 89,366.82/x
  3. Step 3: Cross multiply
    160,988.64x = 222,159.96 × 89,366.82
  4. Step 4: Simplify right side
    160,988.64x = 19,853,729,156.53
  5. Step 5: Solve for x
    x = 19,853,729,156.53/160,988.64
  6. Step 6: Final answer
    x = 123,323.79

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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.