Home / 161,425.12-222,763.60-89,804.92

Finding the Fourth Proportional to 161,425.12, 222,763.60 and 89,804.92

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Solution

The fourth proportional to 161,425.12, 222,763.60 and 89,804.92 is: 123,929.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,425.12 : 222,763.60 = 89,804.92 : x
  2. Step 2: Convert to fraction form
    161,425.12/222,763.60 = 89,804.92/x
  3. Step 3: Cross multiply
    161,425.12x = 222,763.60 × 89,804.92
  4. Step 4: Simplify right side
    161,425.12x = 20,005,267,276.91
  5. Step 5: Solve for x
    x = 20,005,267,276.91/161,425.12
  6. Step 6: Final answer
    x = 123,929.08

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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.