Home / 113,917.24-157,200.78-63,615.16

Finding the Fourth Proportional to 113,917.24, 157,200.78 and 63,615.16

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Solution

The fourth proportional to 113,917.24, 157,200.78 and 63,615.16 is: 87,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,917.24 : 157,200.78 = 63,615.16 : x
  2. Step 2: Convert to fraction form
    113,917.24/157,200.78 = 63,615.16/x
  3. Step 3: Cross multiply
    113,917.24x = 157,200.78 × 63,615.16
  4. Step 4: Simplify right side
    113,917.24x = 10,000,352,771.82
  5. Step 5: Solve for x
    x = 10,000,352,771.82/113,917.24
  6. Step 6: Final answer
    x = 87,786.12

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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.