Home / 142,502.94-213,778.80-67,586.04

Finding the Fourth Proportional to 142,502.94, 213,778.80 and 67,586.04

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Solution

The fourth proportional to 142,502.94, 213,778.80 and 67,586.04 is: 101,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,502.94 : 213,778.80 = 67,586.04 : x
  2. Step 2: Convert to fraction form
    142,502.94/213,778.80 = 67,586.04/x
  3. Step 3: Cross multiply
    142,502.94x = 213,778.80 × 67,586.04
  4. Step 4: Simplify right side
    142,502.94x = 14,448,462,527.95
  5. Step 5: Solve for x
    x = 14,448,462,527.95/142,502.94
  6. Step 6: Final answer
    x = 101,390.63

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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.