Home / 91,848.72-126,736.14-54,117.84

Finding the Fourth Proportional to 91,848.72, 126,736.14 and 54,117.84

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Solution

The fourth proportional to 91,848.72, 126,736.14 and 54,117.84 is: 74,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,848.72 : 126,736.14 = 54,117.84 : x
  2. Step 2: Convert to fraction form
    91,848.72/126,736.14 = 54,117.84/x
  3. Step 3: Cross multiply
    91,848.72x = 126,736.14 × 54,117.84
  4. Step 4: Simplify right side
    91,848.72x = 6,858,686,146.74
  5. Step 5: Solve for x
    x = 6,858,686,146.74/91,848.72
  6. Step 6: Final answer
    x = 74,673.73

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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.