Home / 143,510.60-215,278.03-43,671.66

Finding the Fourth Proportional to 143,510.60, 215,278.03 and 43,671.66

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Solution

The fourth proportional to 143,510.60, 215,278.03 and 43,671.66 is: 65,511.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,510.60 : 215,278.03 = 43,671.66 : x
  2. Step 2: Convert to fraction form
    143,510.60/215,278.03 = 43,671.66/x
  3. Step 3: Cross multiply
    143,510.60x = 215,278.03 × 43,671.66
  4. Step 4: Simplify right side
    143,510.60x = 9,401,548,056.10
  5. Step 5: Solve for x
    x = 9,401,548,056.10/143,510.60
  6. Step 6: Final answer
    x = 65,511.18

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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.