Home / 148,820.28-205,425.90-98,535.48

Finding the Fourth Proportional to 148,820.28, 205,425.90 and 98,535.48

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Solution

The fourth proportional to 148,820.28, 205,425.90 and 98,535.48 is: 136,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,820.28 : 205,425.90 = 98,535.48 : x
  2. Step 2: Convert to fraction form
    148,820.28/205,425.90 = 98,535.48/x
  3. Step 3: Cross multiply
    148,820.28x = 205,425.90 × 98,535.48
  4. Step 4: Simplify right side
    148,820.28x = 20,241,739,660.93
  5. Step 5: Solve for x
    x = 20,241,739,660.93/148,820.28
  6. Step 6: Final answer
    x = 136,014.66

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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.