Home / 134,994.02-186,286.91-74,561.54

Finding the Fourth Proportional to 134,994.02, 186,286.91 and 74,561.54

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Solution

The fourth proportional to 134,994.02, 186,286.91 and 74,561.54 is: 102,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,994.02 : 186,286.91 = 74,561.54 : x
  2. Step 2: Convert to fraction form
    134,994.02/186,286.91 = 74,561.54/x
  3. Step 3: Cross multiply
    134,994.02x = 186,286.91 × 74,561.54
  4. Step 4: Simplify right side
    134,994.02x = 13,889,837,587.20
  5. Step 5: Solve for x
    x = 13,889,837,587.20/134,994.02
  6. Step 6: Final answer
    x = 102,892.25

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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.