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Finding the Fourth Proportional to 113,894.42, 157,174.59 and 63,595.22

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Solution

The fourth proportional to 113,894.42, 157,174.59 and 63,595.22 is: 87,761.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,894.42 : 157,174.59 = 63,595.22 : x
  2. Step 2: Convert to fraction form
    113,894.42/157,174.59 = 63,595.22/x
  3. Step 3: Cross multiply
    113,894.42x = 157,174.59 × 63,595.22
  4. Step 4: Simplify right side
    113,894.42x = 9,995,552,629.46
  5. Step 5: Solve for x
    x = 9,995,552,629.46/113,894.42
  6. Step 6: Final answer
    x = 87,761.57

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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.