Home / 134,820.30-202,273.65-90,497.10

Finding the Fourth Proportional to 134,820.30, 202,273.65 and 90,497.10

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Solution

The fourth proportional to 134,820.30, 202,273.65 and 90,497.10 is: 135,774.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,820.30 : 202,273.65 = 90,497.10 : x
  2. Step 2: Convert to fraction form
    134,820.30/202,273.65 = 90,497.10/x
  3. Step 3: Cross multiply
    134,820.30x = 202,273.65 × 90,497.10
  4. Step 4: Simplify right side
    134,820.30x = 18,305,178,731.42
  5. Step 5: Solve for x
    x = 18,305,178,731.42/134,820.30
  6. Step 6: Final answer
    x = 135,774.65

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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.