Home / 144,008.60-198,679.38-89,557.16

Finding the Fourth Proportional to 144,008.60, 198,679.38 and 89,557.16

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Solution

The fourth proportional to 144,008.60, 198,679.38 and 89,557.16 is: 123,556.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,008.60 : 198,679.38 = 89,557.16 : x
  2. Step 2: Convert to fraction form
    144,008.60/198,679.38 = 89,557.16/x
  3. Step 3: Cross multiply
    144,008.60x = 198,679.38 × 89,557.16
  4. Step 4: Simplify right side
    144,008.60x = 17,793,161,023.36
  5. Step 5: Solve for x
    x = 17,793,161,023.36/144,008.60
  6. Step 6: Final answer
    x = 123,556.24

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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.