Home / 105,421.64-158,226.01-49,292.28

Finding the Fourth Proportional to 105,421.64, 158,226.01 and 49,292.28

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Solution

The fourth proportional to 105,421.64, 158,226.01 and 49,292.28 is: 73,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,421.64 : 158,226.01 = 49,292.28 : x
  2. Step 2: Convert to fraction form
    105,421.64/158,226.01 = 49,292.28/x
  3. Step 3: Cross multiply
    105,421.64x = 158,226.01 × 49,292.28
  4. Step 4: Simplify right side
    105,421.64x = 7,799,320,664.97
  5. Step 5: Solve for x
    x = 7,799,320,664.97/105,421.64
  6. Step 6: Final answer
    x = 73,982.16

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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.