Home / 107,378.02-148,255.80-67,109.88

Finding the Fourth Proportional to 107,378.02, 148,255.80 and 67,109.88

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Solution

The fourth proportional to 107,378.02, 148,255.80 and 67,109.88 is: 92,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,378.02 : 148,255.80 = 67,109.88 : x
  2. Step 2: Convert to fraction form
    107,378.02/148,255.80 = 67,109.88/x
  3. Step 3: Cross multiply
    107,378.02x = 148,255.80 × 67,109.88
  4. Step 4: Simplify right side
    107,378.02x = 9,949,428,947.30
  5. Step 5: Solve for x
    x = 9,949,428,947.30/107,378.02
  6. Step 6: Final answer
    x = 92,657.97

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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.