Home / 140,985.68-194,562.96-77,323.52

Finding the Fourth Proportional to 140,985.68, 194,562.96 and 77,323.52

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Solution

The fourth proportional to 140,985.68, 194,562.96 and 77,323.52 is: 106,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,985.68 : 194,562.96 = 77,323.52 : x
  2. Step 2: Convert to fraction form
    140,985.68/194,562.96 = 77,323.52/x
  3. Step 3: Cross multiply
    140,985.68x = 194,562.96 × 77,323.52
  4. Step 4: Simplify right side
    140,985.68x = 15,044,292,928.82
  5. Step 5: Solve for x
    x = 15,044,292,928.82/140,985.68
  6. Step 6: Final answer
    x = 106,707.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.