Home / 131,353.88-181,268.55-74,765.25

Finding the Fourth Proportional to 131,353.88, 181,268.55 and 74,765.25

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Solution

The fourth proportional to 131,353.88, 181,268.55 and 74,765.25 is: 103,176.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,353.88 : 181,268.55 = 74,765.25 : x
  2. Step 2: Convert to fraction form
    131,353.88/181,268.55 = 74,765.25/x
  3. Step 3: Cross multiply
    131,353.88x = 181,268.55 × 74,765.25
  4. Step 4: Simplify right side
    131,353.88x = 13,552,588,457.89
  5. Step 5: Solve for x
    x = 13,552,588,457.89/131,353.88
  6. Step 6: Final answer
    x = 103,176.16

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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.