Home / 143,899.17-215,725.65-55,216.32

Finding the Fourth Proportional to 143,899.17, 215,725.65 and 55,216.32

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Solution

The fourth proportional to 143,899.17, 215,725.65 and 55,216.32 is: 82,777.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,899.17 : 215,725.65 = 55,216.32 : x
  2. Step 2: Convert to fraction form
    143,899.17/215,725.65 = 55,216.32/x
  3. Step 3: Cross multiply
    143,899.17x = 215,725.65 × 55,216.32
  4. Step 4: Simplify right side
    143,899.17x = 11,911,576,522.61
  5. Step 5: Solve for x
    x = 11,911,576,522.61/143,899.17
  6. Step 6: Final answer
    x = 82,777.24

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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.