Home / 134,964.39-186,250.88-75,348.39

Finding the Fourth Proportional to 134,964.39, 186,250.88 and 75,348.39

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Solution

The fourth proportional to 134,964.39, 186,250.88 and 75,348.39 is: 103,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,964.39 : 186,250.88 = 75,348.39 : x
  2. Step 2: Convert to fraction form
    134,964.39/186,250.88 = 75,348.39/x
  3. Step 3: Cross multiply
    134,964.39x = 186,250.88 × 75,348.39
  4. Step 4: Simplify right side
    134,964.39x = 14,033,703,567.34
  5. Step 5: Solve for x
    x = 14,033,703,567.34/134,964.39
  6. Step 6: Final answer
    x = 103,980.79

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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.