Home / 108,112.12-162,176.78-38,007.16

Finding the Fourth Proportional to 108,112.12, 162,176.78 and 38,007.16

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Solution

The fourth proportional to 108,112.12, 162,176.78 and 38,007.16 is: 57,013.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,112.12 : 162,176.78 = 38,007.16 : x
  2. Step 2: Convert to fraction form
    108,112.12/162,176.78 = 38,007.16/x
  3. Step 3: Cross multiply
    108,112.12x = 162,176.78 × 38,007.16
  4. Step 4: Simplify right side
    108,112.12x = 6,163,878,825.74
  5. Step 5: Solve for x
    x = 6,163,878,825.74/108,112.12
  6. Step 6: Final answer
    x = 57,013.76

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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.