Home / 154,573.92-231,938.64-115,210.08

Finding the Fourth Proportional to 154,573.92, 231,938.64 and 115,210.08

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Solution

The fourth proportional to 154,573.92, 231,938.64 and 115,210.08 is: 172,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,573.92 : 231,938.64 = 115,210.08 : x
  2. Step 2: Convert to fraction form
    154,573.92/231,938.64 = 115,210.08/x
  3. Step 3: Cross multiply
    154,573.92x = 231,938.64 × 115,210.08
  4. Step 4: Simplify right side
    154,573.92x = 26,721,669,269.49
  5. Step 5: Solve for x
    x = 26,721,669,269.49/154,573.92
  6. Step 6: Final answer
    x = 172,873.08

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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.