Home / 101,017.66-151,570.19-54,215.86

Finding the Fourth Proportional to 101,017.66, 151,570.19 and 54,215.86

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Solution

The fourth proportional to 101,017.66, 151,570.19 and 54,215.86 is: 81,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,017.66 : 151,570.19 = 54,215.86 : x
  2. Step 2: Convert to fraction form
    101,017.66/151,570.19 = 54,215.86/x
  3. Step 3: Cross multiply
    101,017.66x = 151,570.19 × 54,215.86
  4. Step 4: Simplify right side
    101,017.66x = 8,217,508,201.21
  5. Step 5: Solve for x
    x = 8,217,508,201.21/101,017.66
  6. Step 6: Final answer
    x = 81,347.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.