Home / 99,004.20-148,506.30-57,013.80

Finding the Fourth Proportional to 99,004.20, 148,506.30 and 57,013.80

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Solution

The fourth proportional to 99,004.20, 148,506.30 and 57,013.80 is: 85,520.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,004.20 : 148,506.30 = 57,013.80 : x
  2. Step 2: Convert to fraction form
    99,004.20/148,506.30 = 57,013.80/x
  3. Step 3: Cross multiply
    99,004.20x = 148,506.30 × 57,013.80
  4. Step 4: Simplify right side
    99,004.20x = 8,466,908,486.94
  5. Step 5: Solve for x
    x = 8,466,908,486.94/99,004.20
  6. Step 6: Final answer
    x = 85,520.70

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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.