Home / 161,550.90-222,944.16-89,935.76

Finding the Fourth Proportional to 161,550.90, 222,944.16 and 89,935.76

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Solution

The fourth proportional to 161,550.90, 222,944.16 and 89,935.76 is: 124,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,550.90 : 222,944.16 = 89,935.76 : x
  2. Step 2: Convert to fraction form
    161,550.90/222,944.16 = 89,935.76/x
  3. Step 3: Cross multiply
    161,550.90x = 222,944.16 × 89,935.76
  4. Step 4: Simplify right side
    161,550.90x = 20,050,652,017.48
  5. Step 5: Solve for x
    x = 20,050,652,017.48/161,550.90
  6. Step 6: Final answer
    x = 124,113.53

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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.