Home / 149,955.34-224,821.90-90,777.02

Finding the Fourth Proportional to 149,955.34, 224,821.90 and 90,777.02

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Solution

The fourth proportional to 149,955.34, 224,821.90 and 90,777.02 is: 136,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,955.34 : 224,821.90 = 90,777.02 : x
  2. Step 2: Convert to fraction form
    149,955.34/224,821.90 = 90,777.02/x
  3. Step 3: Cross multiply
    149,955.34x = 224,821.90 × 90,777.02
  4. Step 4: Simplify right side
    149,955.34x = 20,408,662,112.74
  5. Step 5: Solve for x
    x = 20,408,662,112.74/149,955.34
  6. Step 6: Final answer
    x = 136,098.27

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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.