Home / 101,565.03-140,159.37-56,853.03

Finding the Fourth Proportional to 101,565.03, 140,159.37 and 56,853.03

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Solution

The fourth proportional to 101,565.03, 140,159.37 and 56,853.03 is: 78,456.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,565.03 : 140,159.37 = 56,853.03 : x
  2. Step 2: Convert to fraction form
    101,565.03/140,159.37 = 56,853.03/x
  3. Step 3: Cross multiply
    101,565.03x = 140,159.37 × 56,853.03
  4. Step 4: Simplify right side
    101,565.03x = 7,968,484,867.39
  5. Step 5: Solve for x
    x = 7,968,484,867.39/101,565.03
  6. Step 6: Final answer
    x = 78,456.97

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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.