Home / 134,822.12-186,054.38-74,392.75

Finding the Fourth Proportional to 134,822.12, 186,054.38 and 74,392.75

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Solution

The fourth proportional to 134,822.12, 186,054.38 and 74,392.75 is: 102,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,822.12 : 186,054.38 = 74,392.75 : x
  2. Step 2: Convert to fraction form
    134,822.12/186,054.38 = 74,392.75/x
  3. Step 3: Cross multiply
    134,822.12x = 186,054.38 × 74,392.75
  4. Step 4: Simplify right side
    134,822.12x = 13,841,096,047.47
  5. Step 5: Solve for x
    x = 13,841,096,047.47/134,822.12
  6. Step 6: Final answer
    x = 102,661.91

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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.