Home / 201,537.50-278,122.02-112,113.50

Finding the Fourth Proportional to 201,537.50, 278,122.02 and 112,113.50

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Solution

The fourth proportional to 201,537.50, 278,122.02 and 112,113.50 is: 154,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,537.50 : 278,122.02 = 112,113.50 : x
  2. Step 2: Convert to fraction form
    201,537.50/278,122.02 = 112,113.50/x
  3. Step 3: Cross multiply
    201,537.50x = 278,122.02 × 112,113.50
  4. Step 4: Simplify right side
    201,537.50x = 31,181,233,089.27
  5. Step 5: Solve for x
    x = 31,181,233,089.27/201,537.50
  6. Step 6: Final answer
    x = 154,716.78

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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.