Home / 160,899.31-222,040.34-89,279.16

Finding the Fourth Proportional to 160,899.31, 222,040.34 and 89,279.16

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Solution

The fourth proportional to 160,899.31, 222,040.34 and 89,279.16 is: 123,204.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,899.31 : 222,040.34 = 89,279.16 : x
  2. Step 2: Convert to fraction form
    160,899.31/222,040.34 = 89,279.16/x
  3. Step 3: Cross multiply
    160,899.31x = 222,040.34 × 89,279.16
  4. Step 4: Simplify right side
    160,899.31x = 19,823,575,346.04
  5. Step 5: Solve for x
    x = 19,823,575,346.04/160,899.31
  6. Step 6: Final answer
    x = 123,204.85

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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.