Home / 107,854.40-161,781.60-60,615.20

Finding the Fourth Proportional to 107,854.40, 161,781.60 and 60,615.20

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Solution

The fourth proportional to 107,854.40, 161,781.60 and 60,615.20 is: 90,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,854.40 : 161,781.60 = 60,615.20 : x
  2. Step 2: Convert to fraction form
    107,854.40/161,781.60 = 60,615.20/x
  3. Step 3: Cross multiply
    107,854.40x = 161,781.60 × 60,615.20
  4. Step 4: Simplify right side
    107,854.40x = 9,806,424,040.32
  5. Step 5: Solve for x
    x = 9,806,424,040.32/107,854.40
  6. Step 6: Final answer
    x = 90,922.80

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1.5x scale

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.