Home / 142,262.88-213,359.44-67,380.32

Finding the Fourth Proportional to 142,262.88, 213,359.44 and 67,380.32

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Solution

The fourth proportional to 142,262.88, 213,359.44 and 67,380.32 is: 101,053.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,262.88 : 213,359.44 = 67,380.32 : x
  2. Step 2: Convert to fraction form
    142,262.88/213,359.44 = 67,380.32/x
  3. Step 3: Cross multiply
    142,262.88x = 213,359.44 × 67,380.32
  4. Step 4: Simplify right side
    142,262.88x = 14,376,227,342.22
  5. Step 5: Solve for x
    x = 14,376,227,342.22/142,262.88
  6. Step 6: Final answer
    x = 101,053.96

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1.5x scale

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.