Home / 143,514.93-215,165.15-99,014.70

Finding the Fourth Proportional to 143,514.93, 215,165.15 and 99,014.70

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Solution

The fourth proportional to 143,514.93, 215,165.15 and 99,014.70 is: 148,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514.93 : 215,165.15 = 99,014.70 : x
  2. Step 2: Convert to fraction form
    143,514.93/215,165.15 = 99,014.70/x
  3. Step 3: Cross multiply
    143,514.93x = 215,165.15 × 99,014.70
  4. Step 4: Simplify right side
    143,514.93x = 21,304,512,282.63
  5. Step 5: Solve for x
    x = 21,304,512,282.63/143,514.93
  6. Step 6: Final answer
    x = 148,448.06

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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.