Home / 131,424.18-197,094.90-42,657.18

Finding the Fourth Proportional to 131,424.18, 197,094.90 and 42,657.18

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Solution

The fourth proportional to 131,424.18, 197,094.90 and 42,657.18 is: 63,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.18 : 197,094.90 = 42,657.18 : x
  2. Step 2: Convert to fraction form
    131,424.18/197,094.90 = 42,657.18/x
  3. Step 3: Cross multiply
    131,424.18x = 197,094.90 × 42,657.18
  4. Step 4: Simplify right side
    131,424.18x = 8,407,512,626.38
  5. Step 5: Solve for x
    x = 8,407,512,626.38/131,424.18
  6. Step 6: Final answer
    x = 63,972.34

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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.