Home / 135,311.34-186,726.70-74,057.23

Finding the Fourth Proportional to 135,311.34, 186,726.70 and 74,057.23

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Solution

The fourth proportional to 135,311.34, 186,726.70 and 74,057.23 is: 102,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,311.34 : 186,726.70 = 74,057.23 : x
  2. Step 2: Convert to fraction form
    135,311.34/186,726.70 = 74,057.23/x
  3. Step 3: Cross multiply
    135,311.34x = 186,726.70 × 74,057.23
  4. Step 4: Simplify right side
    135,311.34x = 13,828,462,169.04
  5. Step 5: Solve for x
    x = 13,828,462,169.04/135,311.34
  6. Step 6: Final answer
    x = 102,197.36

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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.