Home / 136,038.21-187,719.82-126,007.17

Finding the Fourth Proportional to 136,038.21, 187,719.82 and 126,007.17

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Solution

The fourth proportional to 136,038.21, 187,719.82 and 126,007.17 is: 173,877.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,038.21 : 187,719.82 = 126,007.17 : x
  2. Step 2: Convert to fraction form
    136,038.21/187,719.82 = 126,007.17/x
  3. Step 3: Cross multiply
    136,038.21x = 187,719.82 × 126,007.17
  4. Step 4: Simplify right side
    136,038.21x = 23,654,043,271.11
  5. Step 5: Solve for x
    x = 23,654,043,271.11/136,038.21
  6. Step 6: Final answer
    x = 173,877.94

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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.