Home / 108,287.36-162,440.40-38,167.28

Finding the Fourth Proportional to 108,287.36, 162,440.40 and 38,167.28

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Solution

The fourth proportional to 108,287.36, 162,440.40 and 38,167.28 is: 57,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,287.36 : 162,440.40 = 38,167.28 : x
  2. Step 2: Convert to fraction form
    108,287.36/162,440.40 = 38,167.28/x
  3. Step 3: Cross multiply
    108,287.36x = 162,440.40 × 38,167.28
  4. Step 4: Simplify right side
    108,287.36x = 6,199,908,230.11
  5. Step 5: Solve for x
    x = 6,199,908,230.11/108,287.36
  6. Step 6: Final answer
    x = 57,254.22

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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.