Home / 149,885.47-224,717.01-90,707.10

Finding the Fourth Proportional to 149,885.47, 224,717.01 and 90,707.10

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Solution

The fourth proportional to 149,885.47, 224,717.01 and 90,707.10 is: 135,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,885.47 : 224,717.01 = 90,707.10 : x
  2. Step 2: Convert to fraction form
    149,885.47/224,717.01 = 90,707.10/x
  3. Step 3: Cross multiply
    149,885.47x = 224,717.01 × 90,707.10
  4. Step 4: Simplify right side
    149,885.47x = 20,383,428,297.77
  5. Step 5: Solve for x
    x = 20,383,428,297.77/149,885.47
  6. Step 6: Final answer
    x = 135,993.36

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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.