Home / 142,706.20-214,061.70-54,001.48

Finding the Fourth Proportional to 142,706.20, 214,061.70 and 54,001.48

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Solution

The fourth proportional to 142,706.20, 214,061.70 and 54,001.48 is: 81,003.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,706.20 : 214,061.70 = 54,001.48 : x
  2. Step 2: Convert to fraction form
    142,706.20/214,061.70 = 54,001.48/x
  3. Step 3: Cross multiply
    142,706.20x = 214,061.70 × 54,001.48
  4. Step 4: Simplify right side
    142,706.20x = 11,559,648,611.32
  5. Step 5: Solve for x
    x = 11,559,648,611.32/142,706.20
  6. Step 6: Final answer
    x = 81,003.13

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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.