Home / 142,877.09-214,327.32-71,763.16

Finding the Fourth Proportional to 142,877.09, 214,327.32 and 71,763.16

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Solution

The fourth proportional to 142,877.09, 214,327.32 and 71,763.16 is: 107,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,877.09 : 214,327.32 = 71,763.16 : x
  2. Step 2: Convert to fraction form
    142,877.09/214,327.32 = 71,763.16/x
  3. Step 3: Cross multiply
    142,877.09x = 214,327.32 × 71,763.16
  4. Step 4: Simplify right side
    142,877.09x = 15,380,805,757.53
  5. Step 5: Solve for x
    x = 15,380,805,757.53/142,877.09
  6. Step 6: Final answer
    x = 107,650.61

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1.5x scale

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.