Home / 135,347.33-186,799.34-77,975.74

Finding the Fourth Proportional to 135,347.33, 186,799.34 and 77,975.74

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Solution

The fourth proportional to 135,347.33, 186,799.34 and 77,975.74 is: 107,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,347.33 : 186,799.34 = 77,975.74 : x
  2. Step 2: Convert to fraction form
    135,347.33/186,799.34 = 77,975.74/x
  3. Step 3: Cross multiply
    135,347.33x = 186,799.34 × 77,975.74
  4. Step 4: Simplify right side
    135,347.33x = 14,565,816,768.01
  5. Step 5: Solve for x
    x = 14,565,816,768.01/135,347.33
  6. Step 6: Final answer
    x = 107,618.06

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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.