Home / 134,881.16-186,136.01-74,451.82

Finding the Fourth Proportional to 134,881.16, 186,136.01 and 74,451.82

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Solution

The fourth proportional to 134,881.16, 186,136.01 and 74,451.82 is: 102,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.16 : 186,136.01 = 74,451.82 : x
  2. Step 2: Convert to fraction form
    134,881.16/186,136.01 = 74,451.82/x
  3. Step 3: Cross multiply
    134,881.16x = 186,136.01 × 74,451.82
  4. Step 4: Simplify right side
    134,881.16x = 13,858,164,246.70
  5. Step 5: Solve for x
    x = 13,858,164,246.70/134,881.16
  6. Step 6: Final answer
    x = 102,743.51

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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.