Home / 130,874.48-196,292.82-42,116.48

Finding the Fourth Proportional to 130,874.48, 196,292.82 and 42,116.48

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Solution

The fourth proportional to 130,874.48, 196,292.82 and 42,116.48 is: 63,168.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,874.48 : 196,292.82 = 42,116.48 : x
  2. Step 2: Convert to fraction form
    130,874.48/196,292.82 = 42,116.48/x
  3. Step 3: Cross multiply
    130,874.48x = 196,292.82 × 42,116.48
  4. Step 4: Simplify right side
    130,874.48x = 8,267,162,627.67
  5. Step 5: Solve for x
    x = 8,267,162,627.67/130,874.48
  6. Step 6: Final answer
    x = 63,168.64

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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.