Home / 134,864.48-186,112.80-74,435.24

Finding the Fourth Proportional to 134,864.48, 186,112.80 and 74,435.24

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Solution

The fourth proportional to 134,864.48, 186,112.80 and 74,435.24 is: 102,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,864.48 : 186,112.80 = 74,435.24 : x
  2. Step 2: Convert to fraction form
    134,864.48/186,112.80 = 74,435.24/x
  3. Step 3: Cross multiply
    134,864.48x = 186,112.80 × 74,435.24
  4. Step 4: Simplify right side
    134,864.48x = 13,853,350,004.51
  5. Step 5: Solve for x
    x = 13,853,350,004.51/134,864.48
  6. Step 6: Final answer
    x = 102,720.53

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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.