Home / 102,024.42-140,699.54-63,771.78

Finding the Fourth Proportional to 102,024.42, 140,699.54 and 63,771.78

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Solution

The fourth proportional to 102,024.42, 140,699.54 and 63,771.78 is: 87,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,024.42 : 140,699.54 = 63,771.78 : x
  2. Step 2: Convert to fraction form
    102,024.42/140,699.54 = 63,771.78/x
  3. Step 3: Cross multiply
    102,024.42x = 140,699.54 × 63,771.78
  4. Step 4: Simplify right side
    102,024.42x = 8,972,660,110.98
  5. Step 5: Solve for x
    x = 8,972,660,110.98/102,024.42
  6. Step 6: Final answer
    x = 87,946.20

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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.