Home / 101,828.36-140,523.90-56,506.52

Finding the Fourth Proportional to 101,828.36, 140,523.90 and 56,506.52

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Solution

The fourth proportional to 101,828.36, 140,523.90 and 56,506.52 is: 77,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,828.36 : 140,523.90 = 56,506.52 : x
  2. Step 2: Convert to fraction form
    101,828.36/140,523.90 = 56,506.52/x
  3. Step 3: Cross multiply
    101,828.36x = 140,523.90 × 56,506.52
  4. Step 4: Simplify right side
    101,828.36x = 7,940,516,565.83
  5. Step 5: Solve for x
    x = 7,940,516,565.83/101,828.36
  6. Step 6: Final answer
    x = 77,979.42

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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.