Home / 143,008.97-214,445.26-52,989.92

Finding the Fourth Proportional to 143,008.97, 214,445.26 and 52,989.92

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Solution

The fourth proportional to 143,008.97, 214,445.26 and 52,989.92 is: 79,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,008.97 : 214,445.26 = 52,989.92 : x
  2. Step 2: Convert to fraction form
    143,008.97/214,445.26 = 52,989.92/x
  3. Step 3: Cross multiply
    143,008.97x = 214,445.26 × 52,989.92
  4. Step 4: Simplify right side
    143,008.97x = 11,363,436,671.89
  5. Step 5: Solve for x
    x = 11,363,436,671.89/143,008.97
  6. Step 6: Final answer
    x = 79,459.61

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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.