Home / 148,238.53-204,567.68-80,253.70

Finding the Fourth Proportional to 148,238.53, 204,567.68 and 80,253.70

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Solution

The fourth proportional to 148,238.53, 204,567.68 and 80,253.70 is: 110,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,238.53 : 204,567.68 = 80,253.70 : x
  2. Step 2: Convert to fraction form
    148,238.53/204,567.68 = 80,253.70/x
  3. Step 3: Cross multiply
    148,238.53x = 204,567.68 × 80,253.70
  4. Step 4: Simplify right side
    148,238.53x = 16,417,312,909.63
  5. Step 5: Solve for x
    x = 16,417,312,909.63/148,238.53
  6. Step 6: Final answer
    x = 110,749.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.