Home / 96,536.40-144,610.20-66,987.60

Finding the Fourth Proportional to 96,536.40, 144,610.20 and 66,987.60

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Solution

The fourth proportional to 96,536.40, 144,610.20 and 66,987.60 is: 100,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,536.40 : 144,610.20 = 66,987.60 : x
  2. Step 2: Convert to fraction form
    96,536.40/144,610.20 = 66,987.60/x
  3. Step 3: Cross multiply
    96,536.40x = 144,610.20 × 66,987.60
  4. Step 4: Simplify right side
    96,536.40x = 9,687,090,233.52
  5. Step 5: Solve for x
    x = 9,687,090,233.52/96,536.40
  6. Step 6: Final answer
    x = 100,346.50

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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.