Home / 142,997.40-214,569-58,822.20

Finding the Fourth Proportional to 142,997.40, 214,569 and 58,822.20

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Solution

The fourth proportional to 142,997.40, 214,569 and 58,822.20 is: 88,263.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,997.40 : 214,569 = 58,822.20 : x
  2. Step 2: Convert to fraction form
    142,997.40/214,569 = 58,822.20/x
  3. Step 3: Cross multiply
    142,997.40x = 214,569 × 58,822.20
  4. Step 4: Simplify right side
    142,997.40x = 12,621,420,631.80
  5. Step 5: Solve for x
    x = 12,621,420,631.80/142,997.40
  6. Step 6: Final answer
    x = 88,263.29

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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.