Home / 135,280.64-186,722.72-77,926.56

Finding the Fourth Proportional to 135,280.64, 186,722.72 and 77,926.56

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Solution

The fourth proportional to 135,280.64, 186,722.72 and 77,926.56 is: 107,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,280.64 : 186,722.72 = 77,926.56 : x
  2. Step 2: Convert to fraction form
    135,280.64/186,722.72 = 77,926.56/x
  3. Step 3: Cross multiply
    135,280.64x = 186,722.72 × 77,926.56
  4. Step 4: Simplify right side
    135,280.64x = 14,550,659,243.44
  5. Step 5: Solve for x
    x = 14,550,659,243.44/135,280.64
  6. Step 6: Final answer
    x = 107,559.07

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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.