Home / 131,259.53-196,920.65-42,513.14

Finding the Fourth Proportional to 131,259.53, 196,920.65 and 42,513.14

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Solution

The fourth proportional to 131,259.53, 196,920.65 and 42,513.14 is: 63,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259.53 : 196,920.65 = 42,513.14 : x
  2. Step 2: Convert to fraction form
    131,259.53/196,920.65 = 42,513.14/x
  3. Step 3: Cross multiply
    131,259.53x = 196,920.65 × 42,513.14
  4. Step 4: Simplify right side
    131,259.53x = 8,371,714,284.02
  5. Step 5: Solve for x
    x = 8,371,714,284.02/131,259.53
  6. Step 6: Final answer
    x = 63,779.86

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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.