Home / 98,516.78-135,956.02-60,275.72

Finding the Fourth Proportional to 98,516.78, 135,956.02 and 60,275.72

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Solution

The fourth proportional to 98,516.78, 135,956.02 and 60,275.72 is: 83,182.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,516.78 : 135,956.02 = 60,275.72 : x
  2. Step 2: Convert to fraction form
    98,516.78/135,956.02 = 60,275.72/x
  3. Step 3: Cross multiply
    98,516.78x = 135,956.02 × 60,275.72
  4. Step 4: Simplify right side
    98,516.78x = 8,194,846,993.83
  5. Step 5: Solve for x
    x = 8,194,846,993.83/98,516.78
  6. Step 6: Final answer
    x = 83,182.25

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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.