Home / 136,386.15-188,161.95-136,175.88

Finding the Fourth Proportional to 136,386.15, 188,161.95 and 136,175.88

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Solution

The fourth proportional to 136,386.15, 188,161.95 and 136,175.88 is: 187,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,386.15 : 188,161.95 = 136,175.88 : x
  2. Step 2: Convert to fraction form
    136,386.15/188,161.95 = 136,175.88/x
  3. Step 3: Cross multiply
    136,386.15x = 188,161.95 × 136,175.88
  4. Step 4: Simplify right side
    136,386.15x = 25,623,119,123.77
  5. Step 5: Solve for x
    x = 25,623,119,123.77/136,386.15
  6. Step 6: Final answer
    x = 187,871.86

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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.