Home / 102,541.32-141,463.39-64,274.74

Finding the Fourth Proportional to 102,541.32, 141,463.39 and 64,274.74

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Solution

The fourth proportional to 102,541.32, 141,463.39 and 64,274.74 is: 88,671.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,541.32 : 141,463.39 = 64,274.74 : x
  2. Step 2: Convert to fraction form
    102,541.32/141,463.39 = 64,274.74/x
  3. Step 3: Cross multiply
    102,541.32x = 141,463.39 × 64,274.74
  4. Step 4: Simplify right side
    102,541.32x = 9,092,522,611.77
  5. Step 5: Solve for x
    x = 9,092,522,611.77/102,541.32
  6. Step 6: Final answer
    x = 88,671.79

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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.