Home / 135,397.74-186,833.80-74,953.25

Finding the Fourth Proportional to 135,397.74, 186,833.80 and 74,953.25

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Solution

The fourth proportional to 135,397.74, 186,833.80 and 74,953.25 is: 103,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,397.74 : 186,833.80 = 74,953.25 : x
  2. Step 2: Convert to fraction form
    135,397.74/186,833.80 = 74,953.25/x
  3. Step 3: Cross multiply
    135,397.74x = 186,833.80 × 74,953.25
  4. Step 4: Simplify right side
    135,397.74x = 14,003,800,519.85
  5. Step 5: Solve for x
    x = 14,003,800,519.85/135,397.74
  6. Step 6: Final answer
    x = 103,427.14

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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.