Home / 96,799.60-145,199.40-72,223.60

Finding the Fourth Proportional to 96,799.60, 145,199.40 and 72,223.60

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Solution

The fourth proportional to 96,799.60, 145,199.40 and 72,223.60 is: 108,335.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,799.60 : 145,199.40 = 72,223.60 : x
  2. Step 2: Convert to fraction form
    96,799.60/145,199.40 = 72,223.60/x
  3. Step 3: Cross multiply
    96,799.60x = 145,199.40 × 72,223.60
  4. Step 4: Simplify right side
    96,799.60x = 10,486,823,385.84
  5. Step 5: Solve for x
    x = 10,486,823,385.84/96,799.60
  6. Step 6: Final answer
    x = 108,335.40

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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.