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Finding the Fourth Proportional to 105,792.92, 158,689.92 and 35,672.84

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Solution

The fourth proportional to 105,792.92, 158,689.92 and 35,672.84 is: 53,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,792.92 : 158,689.92 = 35,672.84 : x
  2. Step 2: Convert to fraction form
    105,792.92/158,689.92 = 35,672.84/x
  3. Step 3: Cross multiply
    105,792.92x = 158,689.92 × 35,672.84
  4. Step 4: Simplify right side
    105,792.92x = 5,660,920,125.77
  5. Step 5: Solve for x
    x = 5,660,920,125.77/105,792.92
  6. Step 6: Final answer
    x = 53,509.44

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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.