Home / 223,050.78-334,908.41-90,190.53

Finding the Fourth Proportional to 223,050.78, 334,908.41 and 90,190.53

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Solution

The fourth proportional to 223,050.78, 334,908.41 and 90,190.53 is: 135,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,050.78 : 334,908.41 = 90,190.53 : x
  2. Step 2: Convert to fraction form
    223,050.78/334,908.41 = 90,190.53/x
  3. Step 3: Cross multiply
    223,050.78x = 334,908.41 × 90,190.53
  4. Step 4: Simplify right side
    223,050.78x = 30,205,566,548.40
  5. Step 5: Solve for x
    x = 30,205,566,548.40/223,050.78
  6. Step 6: Final answer
    x = 135,420.13

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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.