Home / 140,224.48-193,526.76-79,809.82

Finding the Fourth Proportional to 140,224.48, 193,526.76 and 79,809.82

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Solution

The fourth proportional to 140,224.48, 193,526.76 and 79,809.82 is: 110,147.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,224.48 : 193,526.76 = 79,809.82 : x
  2. Step 2: Convert to fraction form
    140,224.48/193,526.76 = 79,809.82/x
  3. Step 3: Cross multiply
    140,224.48x = 193,526.76 × 79,809.82
  4. Step 4: Simplify right side
    140,224.48x = 15,445,335,880.78
  5. Step 5: Solve for x
    x = 15,445,335,880.78/140,224.48
  6. Step 6: Final answer
    x = 110,147.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.