Home / 102,390.68-153,581.27-35,845.74

Finding the Fourth Proportional to 102,390.68, 153,581.27 and 35,845.74

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Solution

The fourth proportional to 102,390.68, 153,581.27 and 35,845.74 is: 53,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,390.68 : 153,581.27 = 35,845.74 : x
  2. Step 2: Convert to fraction form
    102,390.68/153,581.27 = 35,845.74/x
  3. Step 3: Cross multiply
    102,390.68x = 153,581.27 × 35,845.74
  4. Step 4: Simplify right side
    102,390.68x = 5,505,234,094.06
  5. Step 5: Solve for x
    x = 5,505,234,094.06/102,390.68
  6. Step 6: Final answer
    x = 53,766.94

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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.