Home / 108,590.02-162,887.19-71,387.38

Finding the Fourth Proportional to 108,590.02, 162,887.19 and 71,387.38

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Solution

The fourth proportional to 108,590.02, 162,887.19 and 71,387.38 is: 107,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590.02 : 162,887.19 = 71,387.38 : x
  2. Step 2: Convert to fraction form
    108,590.02/162,887.19 = 71,387.38/x
  3. Step 3: Cross multiply
    108,590.02x = 162,887.19 × 71,387.38
  4. Step 4: Simplify right side
    108,590.02x = 11,628,089,729.66
  5. Step 5: Solve for x
    x = 11,628,089,729.66/108,590.02
  6. Step 6: Final answer
    x = 107,082.49

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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.