Home / 96,425.20-144,637.80-68,431.60

Finding the Fourth Proportional to 96,425.20, 144,637.80 and 68,431.60

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Solution

The fourth proportional to 96,425.20, 144,637.80 and 68,431.60 is: 102,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,425.20 : 144,637.80 = 68,431.60 : x
  2. Step 2: Convert to fraction form
    96,425.20/144,637.80 = 68,431.60/x
  3. Step 3: Cross multiply
    96,425.20x = 144,637.80 × 68,431.60
  4. Step 4: Simplify right side
    96,425.20x = 9,897,796,074.48
  5. Step 5: Solve for x
    x = 9,897,796,074.48/96,425.20
  6. Step 6: Final answer
    x = 102,647.40

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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.