Home / 105,635.68-158,314.56-43,272.16

Finding the Fourth Proportional to 105,635.68, 158,314.56 and 43,272.16

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Solution

The fourth proportional to 105,635.68, 158,314.56 and 43,272.16 is: 64,851.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,635.68 : 158,314.56 = 43,272.16 : x
  2. Step 2: Convert to fraction form
    105,635.68/158,314.56 = 43,272.16/x
  3. Step 3: Cross multiply
    105,635.68x = 158,314.56 × 43,272.16
  4. Step 4: Simplify right side
    105,635.68x = 6,850,612,970.65
  5. Step 5: Solve for x
    x = 6,850,612,970.65/105,635.68
  6. Step 6: Final answer
    x = 64,851.32

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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.