Home / 99,205.60-148,808.40-96,872.80

Finding the Fourth Proportional to 99,205.60, 148,808.40 and 96,872.80

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Solution

The fourth proportional to 99,205.60, 148,808.40 and 96,872.80 is: 145,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,205.60 : 148,808.40 = 96,872.80 : x
  2. Step 2: Convert to fraction form
    99,205.60/148,808.40 = 96,872.80/x
  3. Step 3: Cross multiply
    99,205.60x = 148,808.40 × 96,872.80
  4. Step 4: Simplify right side
    99,205.60x = 14,415,486,371.52
  5. Step 5: Solve for x
    x = 14,415,486,371.52/99,205.60
  6. Step 6: Final answer
    x = 145,309.20

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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.