Home / 99,353.76-148,704.85-54,306.12

Finding the Fourth Proportional to 99,353.76, 148,704.85 and 54,306.12

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Solution

The fourth proportional to 99,353.76, 148,704.85 and 54,306.12 is: 81,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,353.76 : 148,704.85 = 54,306.12 : x
  2. Step 2: Convert to fraction form
    99,353.76/148,704.85 = 54,306.12/x
  3. Step 3: Cross multiply
    99,353.76x = 148,704.85 × 54,306.12
  4. Step 4: Simplify right side
    99,353.76x = 8,075,583,428.68
  5. Step 5: Solve for x
    x = 8,075,583,428.68/99,353.76
  6. Step 6: Final answer
    x = 81,281.11

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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.