Home / 99,050.40-148,575.60-90,010.80

Finding the Fourth Proportional to 99,050.40, 148,575.60 and 90,010.80

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Solution

The fourth proportional to 99,050.40, 148,575.60 and 90,010.80 is: 135,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,050.40 : 148,575.60 = 90,010.80 : x
  2. Step 2: Convert to fraction form
    99,050.40/148,575.60 = 90,010.80/x
  3. Step 3: Cross multiply
    99,050.40x = 148,575.60 × 90,010.80
  4. Step 4: Simplify right side
    99,050.40x = 13,373,408,616.48
  5. Step 5: Solve for x
    x = 13,373,408,616.48/99,050.40
  6. Step 6: Final answer
    x = 135,016.20

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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.