Home / 134,836.25-186,073.88-74,406.87

Finding the Fourth Proportional to 134,836.25, 186,073.88 and 74,406.87

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Solution

The fourth proportional to 134,836.25, 186,073.88 and 74,406.87 is: 102,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,836.25 : 186,073.88 = 74,406.87 : x
  2. Step 2: Convert to fraction form
    134,836.25/186,073.88 = 74,406.87/x
  3. Step 3: Cross multiply
    134,836.25x = 186,073.88 × 74,406.87
  4. Step 4: Simplify right side
    134,836.25x = 13,845,174,627.52
  5. Step 5: Solve for x
    x = 13,845,174,627.52/134,836.25
  6. Step 6: Final answer
    x = 102,681.40

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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.