Home / 154,823.70-213,676.47-91,167.42

Finding the Fourth Proportional to 154,823.70, 213,676.47 and 91,167.42

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Solution

The fourth proportional to 154,823.70, 213,676.47 and 91,167.42 is: 125,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,823.70 : 213,676.47 = 91,167.42 : x
  2. Step 2: Convert to fraction form
    154,823.70/213,676.47 = 91,167.42/x
  3. Step 3: Cross multiply
    154,823.70x = 213,676.47 × 91,167.42
  4. Step 4: Simplify right side
    154,823.70x = 19,480,332,484.61
  5. Step 5: Solve for x
    x = 19,480,332,484.61/154,823.70
  6. Step 6: Final answer
    x = 125,822.68

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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.