Home / 108,309.16-162,410.46-38,178.28

Finding the Fourth Proportional to 108,309.16, 162,410.46 and 38,178.28

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Solution

The fourth proportional to 108,309.16, 162,410.46 and 38,178.28 is: 57,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,309.16 : 162,410.46 = 38,178.28 : x
  2. Step 2: Convert to fraction form
    108,309.16/162,410.46 = 38,178.28/x
  3. Step 3: Cross multiply
    108,309.16x = 162,410.46 × 38,178.28
  4. Step 4: Simplify right side
    108,309.16x = 6,200,552,016.81
  5. Step 5: Solve for x
    x = 6,200,552,016.81/108,309.16
  6. Step 6: Final answer
    x = 57,248.64

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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.