Home / 215,547.30-323,121.69-110,133.90

Finding the Fourth Proportional to 215,547.30, 323,121.69 and 110,133.90

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Solution

The fourth proportional to 215,547.30, 323,121.69 and 110,133.90 is: 165,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,547.30 : 323,121.69 = 110,133.90 : x
  2. Step 2: Convert to fraction form
    215,547.30/323,121.69 = 110,133.90/x
  3. Step 3: Cross multiply
    215,547.30x = 323,121.69 × 110,133.90
  4. Step 4: Simplify right side
    215,547.30x = 35,586,651,894.29
  5. Step 5: Solve for x
    x = 35,586,651,894.29/215,547.30
  6. Step 6: Final answer
    x = 165,099.04

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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.