Home / 234,220.86-323,227.02-137,426.36

Finding the Fourth Proportional to 234,220.86, 323,227.02 and 137,426.36

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Solution

The fourth proportional to 234,220.86, 323,227.02 and 137,426.36 is: 189,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,220.86 : 323,227.02 = 137,426.36 : x
  2. Step 2: Convert to fraction form
    234,220.86/323,227.02 = 137,426.36/x
  3. Step 3: Cross multiply
    234,220.86x = 323,227.02 × 137,426.36
  4. Step 4: Simplify right side
    234,220.86x = 44,419,913,083.19
  5. Step 5: Solve for x
    x = 44,419,913,083.19/234,220.86
  6. Step 6: Final answer
    x = 189,649.69

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1.5x scale

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.