Home / 149,381.80-224,072.70-60,638.20

Finding the Fourth Proportional to 149,381.80, 224,072.70 and 60,638.20

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Solution

The fourth proportional to 149,381.80, 224,072.70 and 60,638.20 is: 90,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,381.80 : 224,072.70 = 60,638.20 : x
  2. Step 2: Convert to fraction form
    149,381.80/224,072.70 = 60,638.20/x
  3. Step 3: Cross multiply
    149,381.80x = 224,072.70 × 60,638.20
  4. Step 4: Simplify right side
    149,381.80x = 13,587,365,197.14
  5. Step 5: Solve for x
    x = 13,587,365,197.14/149,381.80
  6. Step 6: Final answer
    x = 90,957.30

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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.