Home / 108,445.36-162,681.16-38,310.32

Finding the Fourth Proportional to 108,445.36, 162,681.16 and 38,310.32

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Solution

The fourth proportional to 108,445.36, 162,681.16 and 38,310.32 is: 57,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.36 : 162,681.16 = 38,310.32 : x
  2. Step 2: Convert to fraction form
    108,445.36/162,681.16 = 38,310.32/x
  3. Step 3: Cross multiply
    108,445.36x = 162,681.16 × 38,310.32
  4. Step 4: Simplify right side
    108,445.36x = 6,232,367,297.57
  5. Step 5: Solve for x
    x = 6,232,367,297.57/108,445.36
  6. Step 6: Final answer
    x = 57,470.11

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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.