Home / 161,656.02-223,092.18-90,036

Finding the Fourth Proportional to 161,656.02, 223,092.18 and 90,036

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Solution

The fourth proportional to 161,656.02, 223,092.18 and 90,036 is: 124,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,656.02 : 223,092.18 = 90,036 : x
  2. Step 2: Convert to fraction form
    161,656.02/223,092.18 = 90,036/x
  3. Step 3: Cross multiply
    161,656.02x = 223,092.18 × 90,036
  4. Step 4: Simplify right side
    161,656.02x = 20,086,327,518.48
  5. Step 5: Solve for x
    x = 20,086,327,518.48/161,656.02
  6. Step 6: Final answer
    x = 124,253.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.