Home / 111,110.32-153,324.66-63,365.68

Finding the Fourth Proportional to 111,110.32, 153,324.66 and 63,365.68

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Solution

The fourth proportional to 111,110.32, 153,324.66 and 63,365.68 is: 87,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,110.32 : 153,324.66 = 63,365.68 : x
  2. Step 2: Convert to fraction form
    111,110.32/153,324.66 = 63,365.68/x
  3. Step 3: Cross multiply
    111,110.32x = 153,324.66 × 63,365.68
  4. Step 4: Simplify right side
    111,110.32x = 9,715,521,341.67
  5. Step 5: Solve for x
    x = 9,715,521,341.67/111,110.32
  6. Step 6: Final answer
    x = 87,440.31

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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.