Home / 105,440.04-158,160.12-43,110.54

Finding the Fourth Proportional to 105,440.04, 158,160.12 and 43,110.54

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Solution

The fourth proportional to 105,440.04, 158,160.12 and 43,110.54 is: 64,665.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,440.04 : 158,160.12 = 43,110.54 : x
  2. Step 2: Convert to fraction form
    105,440.04/158,160.12 = 43,110.54/x
  3. Step 3: Cross multiply
    105,440.04x = 158,160.12 × 43,110.54
  4. Step 4: Simplify right side
    105,440.04x = 6,818,368,179.66
  5. Step 5: Solve for x
    x = 6,818,368,179.66/105,440.04
  6. Step 6: Final answer
    x = 64,665.83

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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.