Home / 152,948.68-229,446.35-78,027.96

Finding the Fourth Proportional to 152,948.68, 229,446.35 and 78,027.96

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Solution

The fourth proportional to 152,948.68, 229,446.35 and 78,027.96 is: 117,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,948.68 : 229,446.35 = 78,027.96 : x
  2. Step 2: Convert to fraction form
    152,948.68/229,446.35 = 78,027.96/x
  3. Step 3: Cross multiply
    152,948.68x = 229,446.35 × 78,027.96
  4. Step 4: Simplify right side
    152,948.68x = 17,903,230,815.02
  5. Step 5: Solve for x
    x = 17,903,230,815.02/152,948.68
  6. Step 6: Final answer
    x = 117,053.85

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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.