Home / 113,021.10-169,699.05-63,200.70

Finding the Fourth Proportional to 113,021.10, 169,699.05 and 63,200.70

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Solution

The fourth proportional to 113,021.10, 169,699.05 and 63,200.70 is: 94,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,021.10 : 169,699.05 = 63,200.70 : x
  2. Step 2: Convert to fraction form
    113,021.10/169,699.05 = 63,200.70/x
  3. Step 3: Cross multiply
    113,021.10x = 169,699.05 × 63,200.70
  4. Step 4: Simplify right side
    113,021.10x = 10,725,098,749.34
  5. Step 5: Solve for x
    x = 10,725,098,749.34/113,021.10
  6. Step 6: Final answer
    x = 94,894.66

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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.