Home / 160,877.31-222,037.18-89,280.40

Finding the Fourth Proportional to 160,877.31, 222,037.18 and 89,280.40

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Solution

The fourth proportional to 160,877.31, 222,037.18 and 89,280.40 is: 123,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,877.31 : 222,037.18 = 89,280.40 : x
  2. Step 2: Convert to fraction form
    160,877.31/222,037.18 = 89,280.40/x
  3. Step 3: Cross multiply
    160,877.31x = 222,037.18 × 89,280.40
  4. Step 4: Simplify right side
    160,877.31x = 19,823,566,688.68
  5. Step 5: Solve for x
    x = 19,823,566,688.68/160,877.31
  6. Step 6: Final answer
    x = 123,221.65

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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.