Home / 105,306.60-157,999.34-54,674.02

Finding the Fourth Proportional to 105,306.60, 157,999.34 and 54,674.02

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Solution

The fourth proportional to 105,306.60, 157,999.34 and 54,674.02 is: 82,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,306.60 : 157,999.34 = 54,674.02 : x
  2. Step 2: Convert to fraction form
    105,306.60/157,999.34 = 54,674.02/x
  3. Step 3: Cross multiply
    105,306.60x = 157,999.34 × 54,674.02
  4. Step 4: Simplify right side
    105,306.60x = 8,638,458,678.33
  5. Step 5: Solve for x
    x = 8,638,458,678.33/105,306.60
  6. Step 6: Final answer
    x = 82,031.51

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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.