Home / 124,712.20-187,241.10-98,446.60

Finding the Fourth Proportional to 124,712.20, 187,241.10 and 98,446.60

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Solution

The fourth proportional to 124,712.20, 187,241.10 and 98,446.60 is: 147,806.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,712.20 : 187,241.10 = 98,446.60 : x
  2. Step 2: Convert to fraction form
    124,712.20/187,241.10 = 98,446.60/x
  3. Step 3: Cross multiply
    124,712.20x = 187,241.10 × 98,446.60
  4. Step 4: Simplify right side
    124,712.20x = 18,433,249,675.26
  5. Step 5: Solve for x
    x = 18,433,249,675.26/124,712.20
  6. Step 6: Final answer
    x = 147,806.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.