Home / 153,409.16-229,900.80-115,938.56

Finding the Fourth Proportional to 153,409.16, 229,900.80 and 115,938.56

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Solution

The fourth proportional to 153,409.16, 229,900.80 and 115,938.56 is: 173,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,409.16 : 229,900.80 = 115,938.56 : x
  2. Step 2: Convert to fraction form
    153,409.16/229,900.80 = 115,938.56/x
  3. Step 3: Cross multiply
    153,409.16x = 229,900.80 × 115,938.56
  4. Step 4: Simplify right side
    153,409.16x = 26,654,367,694.85
  5. Step 5: Solve for x
    x = 26,654,367,694.85/153,409.16
  6. Step 6: Final answer
    x = 173,746.91

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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.