Home / 107,350.88-148,042.14-78,252.80

Finding the Fourth Proportional to 107,350.88, 148,042.14 and 78,252.80

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Solution

The fourth proportional to 107,350.88, 148,042.14 and 78,252.80 is: 107,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350.88 : 148,042.14 = 78,252.80 : x
  2. Step 2: Convert to fraction form
    107,350.88/148,042.14 = 78,252.80/x
  3. Step 3: Cross multiply
    107,350.88x = 148,042.14 × 78,252.80
  4. Step 4: Simplify right side
    107,350.88x = 11,584,711,972.99
  5. Step 5: Solve for x
    x = 11,584,711,972.99/107,350.88
  6. Step 6: Final answer
    x = 107,914.46

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1.5x scale

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.