Home / 148,159.28-204,459.44-80,176

Finding the Fourth Proportional to 148,159.28, 204,459.44 and 80,176

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Solution

The fourth proportional to 148,159.28, 204,459.44 and 80,176 is: 110,642.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,159.28 : 204,459.44 = 80,176 : x
  2. Step 2: Convert to fraction form
    148,159.28/204,459.44 = 80,176/x
  3. Step 3: Cross multiply
    148,159.28x = 204,459.44 × 80,176
  4. Step 4: Simplify right side
    148,159.28x = 16,392,740,061.44
  5. Step 5: Solve for x
    x = 16,392,740,061.44/148,159.28
  6. Step 6: Final answer
    x = 110,642.68

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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.