Home / 136,417.42-188,261.82-75,988.07

Finding the Fourth Proportional to 136,417.42, 188,261.82 and 75,988.07

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Solution

The fourth proportional to 136,417.42, 188,261.82 and 75,988.07 is: 104,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,417.42 : 188,261.82 = 75,988.07 : x
  2. Step 2: Convert to fraction form
    136,417.42/188,261.82 = 75,988.07/x
  3. Step 3: Cross multiply
    136,417.42x = 188,261.82 × 75,988.07
  4. Step 4: Simplify right side
    136,417.42x = 14,305,653,180.13
  5. Step 5: Solve for x
    x = 14,305,653,180.13/136,417.42
  6. Step 6: Final answer
    x = 104,866.77

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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.