Home / 154,069.65-231,129.05-52,856.19

Finding the Fourth Proportional to 154,069.65, 231,129.05 and 52,856.19

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Solution

The fourth proportional to 154,069.65, 231,129.05 and 52,856.19 is: 79,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,069.65 : 231,129.05 = 52,856.19 : x
  2. Step 2: Convert to fraction form
    154,069.65/231,129.05 = 52,856.19/x
  3. Step 3: Cross multiply
    154,069.65x = 231,129.05 × 52,856.19
  4. Step 4: Simplify right side
    154,069.65x = 12,216,600,717.04
  5. Step 5: Solve for x
    x = 12,216,600,717.04/154,069.65
  6. Step 6: Final answer
    x = 79,292.71

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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.