Home / 141,998.34-212,961.02-42,134.92

Finding the Fourth Proportional to 141,998.34, 212,961.02 and 42,134.92

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Solution

The fourth proportional to 141,998.34, 212,961.02 and 42,134.92 is: 63,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,998.34 : 212,961.02 = 42,134.92 : x
  2. Step 2: Convert to fraction form
    141,998.34/212,961.02 = 42,134.92/x
  3. Step 3: Cross multiply
    141,998.34x = 212,961.02 × 42,134.92
  4. Step 4: Simplify right side
    141,998.34x = 8,973,095,540.82
  5. Step 5: Solve for x
    x = 8,973,095,540.82/141,998.34
  6. Step 6: Final answer
    x = 63,191.55

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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.