Home / 160,955.52-222,107.40-88,347.12

Finding the Fourth Proportional to 160,955.52, 222,107.40 and 88,347.12

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Solution

The fourth proportional to 160,955.52, 222,107.40 and 88,347.12 is: 121,912.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,955.52 : 222,107.40 = 88,347.12 : x
  2. Step 2: Convert to fraction form
    160,955.52/222,107.40 = 88,347.12/x
  3. Step 3: Cross multiply
    160,955.52x = 222,107.40 × 88,347.12
  4. Step 4: Simplify right side
    160,955.52x = 19,622,549,120.69
  5. Step 5: Solve for x
    x = 19,622,549,120.69/160,955.52
  6. Step 6: Final answer
    x = 121,912.87

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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.