Home / 99,309.55-148,764.87-45,926.70

Finding the Fourth Proportional to 99,309.55, 148,764.87 and 45,926.70

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Solution

The fourth proportional to 99,309.55, 148,764.87 and 45,926.70 is: 68,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,309.55 : 148,764.87 = 45,926.70 : x
  2. Step 2: Convert to fraction form
    99,309.55/148,764.87 = 45,926.70/x
  3. Step 3: Cross multiply
    99,309.55x = 148,764.87 × 45,926.70
  4. Step 4: Simplify right side
    99,309.55x = 6,832,280,041.76
  5. Step 5: Solve for x
    x = 6,832,280,041.76/99,309.55
  6. Step 6: Final answer
    x = 68,797.81

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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.