Home / 113,747.34-157,021.66-73,480.72

Finding the Fourth Proportional to 113,747.34, 157,021.66 and 73,480.72

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Solution

The fourth proportional to 113,747.34, 157,021.66 and 73,480.72 is: 101,435.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,747.34 : 157,021.66 = 73,480.72 : x
  2. Step 2: Convert to fraction form
    113,747.34/157,021.66 = 73,480.72/x
  3. Step 3: Cross multiply
    113,747.34x = 157,021.66 × 73,480.72
  4. Step 4: Simplify right side
    113,747.34x = 11,538,064,632.40
  5. Step 5: Solve for x
    x = 11,538,064,632.40/113,747.34
  6. Step 6: Final answer
    x = 101,435.91

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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.