Home / 105,747.13-158,620.70-61,681.51

Finding the Fourth Proportional to 105,747.13, 158,620.70 and 61,681.51

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Solution

The fourth proportional to 105,747.13, 158,620.70 and 61,681.51 is: 92,522.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,747.13 : 158,620.70 = 61,681.51 : x
  2. Step 2: Convert to fraction form
    105,747.13/158,620.70 = 61,681.51/x
  3. Step 3: Cross multiply
    105,747.13x = 158,620.70 × 61,681.51
  4. Step 4: Simplify right side
    105,747.13x = 9,783,964,293.26
  5. Step 5: Solve for x
    x = 9,783,964,293.26/105,747.13
  6. Step 6: Final answer
    x = 92,522.27

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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.