Home / 142,474.24-213,649.02-67,615.84

Finding the Fourth Proportional to 142,474.24, 213,649.02 and 67,615.84

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Solution

The fourth proportional to 142,474.24, 213,649.02 and 67,615.84 is: 101,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,474.24 : 213,649.02 = 67,615.84 : x
  2. Step 2: Convert to fraction form
    142,474.24/213,649.02 = 67,615.84/x
  3. Step 3: Cross multiply
    142,474.24x = 213,649.02 × 67,615.84
  4. Step 4: Simplify right side
    142,474.24x = 14,446,057,952.48
  5. Step 5: Solve for x
    x = 14,446,057,952.48/142,474.24
  6. Step 6: Final answer
    x = 101,394.17

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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.