Home / 102,712.32-141,743.94-60,271.56

Finding the Fourth Proportional to 102,712.32, 141,743.94 and 60,271.56

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Solution

The fourth proportional to 102,712.32, 141,743.94 and 60,271.56 is: 83,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,712.32 : 141,743.94 = 60,271.56 : x
  2. Step 2: Convert to fraction form
    102,712.32/141,743.94 = 60,271.56/x
  3. Step 3: Cross multiply
    102,712.32x = 141,743.94 × 60,271.56
  4. Step 4: Simplify right side
    102,712.32x = 8,543,128,384.35
  5. Step 5: Solve for x
    x = 8,543,128,384.35/102,712.32
  6. Step 6: Final answer
    x = 83,175.30

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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.