Home / 105,394.78-158,094.23-38,800.63

Finding the Fourth Proportional to 105,394.78, 158,094.23 and 38,800.63

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Solution

The fourth proportional to 105,394.78, 158,094.23 and 38,800.63 is: 58,201.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,394.78 : 158,094.23 = 38,800.63 : x
  2. Step 2: Convert to fraction form
    105,394.78/158,094.23 = 38,800.63/x
  3. Step 3: Cross multiply
    105,394.78x = 158,094.23 × 38,800.63
  4. Step 4: Simplify right side
    105,394.78x = 6,134,155,134.13
  5. Step 5: Solve for x
    x = 6,134,155,134.13/105,394.78
  6. Step 6: Final answer
    x = 58,201.70

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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.