Home / 134,355.43-201,090.21-74,291.57

Finding the Fourth Proportional to 134,355.43, 201,090.21 and 74,291.57

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Solution

The fourth proportional to 134,355.43, 201,090.21 and 74,291.57 is: 111,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,355.43 : 201,090.21 = 74,291.57 : x
  2. Step 2: Convert to fraction form
    134,355.43/201,090.21 = 74,291.57/x
  3. Step 3: Cross multiply
    134,355.43x = 201,090.21 × 74,291.57
  4. Step 4: Simplify right side
    134,355.43x = 14,939,307,412.53
  5. Step 5: Solve for x
    x = 14,939,307,412.53/134,355.43
  6. Step 6: Final answer
    x = 111,192.43

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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.