Home / 161,529.85-222,916.51-88,938.20

Finding the Fourth Proportional to 161,529.85, 222,916.51 and 88,938.20

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Solution

The fourth proportional to 161,529.85, 222,916.51 and 88,938.20 is: 122,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,529.85 : 222,916.51 = 88,938.20 : x
  2. Step 2: Convert to fraction form
    161,529.85/222,916.51 = 88,938.20/x
  3. Step 3: Cross multiply
    161,529.85x = 222,916.51 × 88,938.20
  4. Step 4: Simplify right side
    161,529.85x = 19,825,793,317.87
  5. Step 5: Solve for x
    x = 19,825,793,317.87/161,529.85
  6. Step 6: Final answer
    x = 122,737.65

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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.