Home / 193,549.86-290,276.07-68,861.70

Finding the Fourth Proportional to 193,549.86, 290,276.07 and 68,861.70

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Solution

The fourth proportional to 193,549.86, 290,276.07 and 68,861.70 is: 103,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,549.86 : 290,276.07 = 68,861.70 : x
  2. Step 2: Convert to fraction form
    193,549.86/290,276.07 = 68,861.70/x
  3. Step 3: Cross multiply
    193,549.86x = 290,276.07 × 68,861.70
  4. Step 4: Simplify right side
    193,549.86x = 19,988,903,649.52
  5. Step 5: Solve for x
    x = 19,988,903,649.52/193,549.86
  6. Step 6: Final answer
    x = 103,275.22

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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.