Home / 149,632.82-224,195.48-90,343.95

Finding the Fourth Proportional to 149,632.82, 224,195.48 and 90,343.95

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Solution

The fourth proportional to 149,632.82, 224,195.48 and 90,343.95 is: 135,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,632.82 : 224,195.48 = 90,343.95 : x
  2. Step 2: Convert to fraction form
    149,632.82/224,195.48 = 90,343.95/x
  3. Step 3: Cross multiply
    149,632.82x = 224,195.48 × 90,343.95
  4. Step 4: Simplify right side
    149,632.82x = 20,254,704,783.63
  5. Step 5: Solve for x
    x = 20,254,704,783.63/149,632.82
  6. Step 6: Final answer
    x = 135,362.72

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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.