Home / 130,211.70-195,335.70-40,261.76

Finding the Fourth Proportional to 130,211.70, 195,335.70 and 40,261.76

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Solution

The fourth proportional to 130,211.70, 195,335.70 and 40,261.76 is: 60,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211.70 : 195,335.70 = 40,261.76 : x
  2. Step 2: Convert to fraction form
    130,211.70/195,335.70 = 40,261.76/x
  3. Step 3: Cross multiply
    130,211.70x = 195,335.70 × 40,261.76
  4. Step 4: Simplify right side
    130,211.70x = 7,864,558,096.15
  5. Step 5: Solve for x
    x = 7,864,558,096.15/130,211.70
  6. Step 6: Final answer
    x = 60,398.24

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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.