Home / 153,156.65-229,704.68-145,561.58

Finding the Fourth Proportional to 153,156.65, 229,704.68 and 145,561.58

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Solution

The fourth proportional to 153,156.65, 229,704.68 and 145,561.58 is: 218,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,156.65 : 229,704.68 = 145,561.58 : x
  2. Step 2: Convert to fraction form
    153,156.65/229,704.68 = 145,561.58/x
  3. Step 3: Cross multiply
    153,156.65x = 229,704.68 × 145,561.58
  4. Step 4: Simplify right side
    153,156.65x = 33,436,176,154.19
  5. Step 5: Solve for x
    x = 33,436,176,154.19/153,156.65
  6. Step 6: Final answer
    x = 218,313.58

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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.