Home / 153,020.10-229,530.15-152,145.30

Finding the Fourth Proportional to 153,020.10, 229,530.15 and 152,145.30

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Solution

The fourth proportional to 153,020.10, 229,530.15 and 152,145.30 is: 228,217.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,020.10 : 229,530.15 = 152,145.30 : x
  2. Step 2: Convert to fraction form
    153,020.10/229,530.15 = 152,145.30/x
  3. Step 3: Cross multiply
    153,020.10x = 229,530.15 × 152,145.30
  4. Step 4: Simplify right side
    153,020.10x = 34,921,933,530.80
  5. Step 5: Solve for x
    x = 34,921,933,530.80/153,020.10
  6. Step 6: Final answer
    x = 228,217.95

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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.