Home / 154,369.24-231,664.65-65,685.04

Finding the Fourth Proportional to 154,369.24, 231,664.65 and 65,685.04

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Solution

The fourth proportional to 154,369.24, 231,664.65 and 65,685.04 is: 98,574.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,369.24 : 231,664.65 = 65,685.04 : x
  2. Step 2: Convert to fraction form
    154,369.24/231,664.65 = 65,685.04/x
  3. Step 3: Cross multiply
    154,369.24x = 231,664.65 × 65,685.04
  4. Step 4: Simplify right side
    154,369.24x = 15,216,901,801.84
  5. Step 5: Solve for x
    x = 15,216,901,801.84/154,369.24
  6. Step 6: Final answer
    x = 98,574.70

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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.