Home / 134,719.43-185,914.13-74,292.21

Finding the Fourth Proportional to 134,719.43, 185,914.13 and 74,292.21

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Solution

The fourth proportional to 134,719.43, 185,914.13 and 74,292.21 is: 102,523.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,719.43 : 185,914.13 = 74,292.21 : x
  2. Step 2: Convert to fraction form
    134,719.43/185,914.13 = 74,292.21/x
  3. Step 3: Cross multiply
    134,719.43x = 185,914.13 × 74,292.21
  4. Step 4: Simplify right side
    134,719.43x = 13,811,971,216.47
  5. Step 5: Solve for x
    x = 13,811,971,216.47/134,719.43
  6. Step 6: Final answer
    x = 102,523.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.