Home / 108,272.90-162,392.95-38,135.81

Finding the Fourth Proportional to 108,272.90, 162,392.95 and 38,135.81

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Solution

The fourth proportional to 108,272.90, 162,392.95 and 38,135.81 is: 57,197.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,272.90 : 162,392.95 = 38,135.81 : x
  2. Step 2: Convert to fraction form
    108,272.90/162,392.95 = 38,135.81/x
  3. Step 3: Cross multiply
    108,272.90x = 162,392.95 × 38,135.81
  4. Step 4: Simplify right side
    108,272.90x = 6,192,987,140.19
  5. Step 5: Solve for x
    x = 6,192,987,140.19/108,272.90
  6. Step 6: Final answer
    x = 57,197.94

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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.