Home / 223,182.17-307,916.46-126,372.80

Finding the Fourth Proportional to 223,182.17, 307,916.46 and 126,372.80

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Solution

The fourth proportional to 223,182.17, 307,916.46 and 126,372.80 is: 174,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,182.17 : 307,916.46 = 126,372.80 : x
  2. Step 2: Convert to fraction form
    223,182.17/307,916.46 = 126,372.80/x
  3. Step 3: Cross multiply
    223,182.17x = 307,916.46 × 126,372.80
  4. Step 4: Simplify right side
    223,182.17x = 38,912,263,676.71
  5. Step 5: Solve for x
    x = 38,912,263,676.71/223,182.17
  6. Step 6: Final answer
    x = 174,352.02

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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.