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Finding the Fourth Proportional to 130,232.84, 195,508.76 and 85,896.68

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Solution

The fourth proportional to 130,232.84, 195,508.76 and 85,896.68 is: 128,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,232.84 : 195,508.76 = 85,896.68 : x
  2. Step 2: Convert to fraction form
    130,232.84/195,508.76 = 85,896.68/x
  3. Step 3: Cross multiply
    130,232.84x = 195,508.76 × 85,896.68
  4. Step 4: Simplify right side
    130,232.84x = 16,793,553,394.92
  5. Step 5: Solve for x
    x = 16,793,553,394.92/130,232.84
  6. Step 6: Final answer
    x = 128,950.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.