Home / 102,112.60-153,183.30-31,984.60

Finding the Fourth Proportional to 102,112.60, 153,183.30 and 31,984.60

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Solution

The fourth proportional to 102,112.60, 153,183.30 and 31,984.60 is: 47,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,112.60 : 153,183.30 = 31,984.60 : x
  2. Step 2: Convert to fraction form
    102,112.60/153,183.30 = 31,984.60/x
  3. Step 3: Cross multiply
    102,112.60x = 153,183.30 × 31,984.60
  4. Step 4: Simplify right side
    102,112.60x = 4,899,506,577.18
  5. Step 5: Solve for x
    x = 4,899,506,577.18/102,112.60
  6. Step 6: Final answer
    x = 47,981.41

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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.