Home / 145,758.27-218,643.17-40,586.43

Finding the Fourth Proportional to 145,758.27, 218,643.17 and 40,586.43

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Solution

The fourth proportional to 145,758.27, 218,643.17 and 40,586.43 is: 60,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,758.27 : 218,643.17 = 40,586.43 : x
  2. Step 2: Convert to fraction form
    145,758.27/218,643.17 = 40,586.43/x
  3. Step 3: Cross multiply
    145,758.27x = 218,643.17 × 40,586.43
  4. Step 4: Simplify right side
    145,758.27x = 8,873,945,511.25
  5. Step 5: Solve for x
    x = 8,873,945,511.25/145,758.27
  6. Step 6: Final answer
    x = 60,881.25

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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.