Home / 143,282.10-214,866.84-48,486.18

Finding the Fourth Proportional to 143,282.10, 214,866.84 and 48,486.18

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Solution

The fourth proportional to 143,282.10, 214,866.84 and 48,486.18 is: 72,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,282.10 : 214,866.84 = 48,486.18 : x
  2. Step 2: Convert to fraction form
    143,282.10/214,866.84 = 48,486.18/x
  3. Step 3: Cross multiply
    143,282.10x = 214,866.84 × 48,486.18
  4. Step 4: Simplify right side
    143,282.10x = 10,418,072,280.27
  5. Step 5: Solve for x
    x = 10,418,072,280.27/143,282.10
  6. Step 6: Final answer
    x = 72,710.21

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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.