Home / 107,338.35-148,024.92-78,240.27

Finding the Fourth Proportional to 107,338.35, 148,024.92 and 78,240.27

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Solution

The fourth proportional to 107,338.35, 148,024.92 and 78,240.27 is: 107,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,338.35 : 148,024.92 = 78,240.27 : x
  2. Step 2: Convert to fraction form
    107,338.35/148,024.92 = 78,240.27/x
  3. Step 3: Cross multiply
    107,338.35x = 148,024.92 × 78,240.27
  4. Step 4: Simplify right side
    107,338.35x = 11,581,509,707.53
  5. Step 5: Solve for x
    x = 11,581,509,707.53/107,338.35
  6. Step 6: Final answer
    x = 107,897.22

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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.