Home / 105,943.24-158,800.38-38,430.28

Finding the Fourth Proportional to 105,943.24, 158,800.38 and 38,430.28

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Solution

The fourth proportional to 105,943.24, 158,800.38 and 38,430.28 is: 57,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,943.24 : 158,800.38 = 38,430.28 : x
  2. Step 2: Convert to fraction form
    105,943.24/158,800.38 = 38,430.28/x
  3. Step 3: Cross multiply
    105,943.24x = 158,800.38 × 38,430.28
  4. Step 4: Simplify right side
    105,943.24x = 6,102,743,067.51
  5. Step 5: Solve for x
    x = 6,102,743,067.51/105,943.24
  6. Step 6: Final answer
    x = 57,603.89

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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.