Home / 131,214.18-196,827.39-42,474.63

Finding the Fourth Proportional to 131,214.18, 196,827.39 and 42,474.63

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Solution

The fourth proportional to 131,214.18, 196,827.39 and 42,474.63 is: 63,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,214.18 : 196,827.39 = 42,474.63 : x
  2. Step 2: Convert to fraction form
    131,214.18/196,827.39 = 42,474.63/x
  3. Step 3: Cross multiply
    131,214.18x = 196,827.39 × 42,474.63
  4. Step 4: Simplify right side
    131,214.18x = 8,360,170,564.12
  5. Step 5: Solve for x
    x = 8,360,170,564.12/131,214.18
  6. Step 6: Final answer
    x = 63,713.93

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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.