Home / 189,154.98-261,052.26-141,325.29

Finding the Fourth Proportional to 189,154.98, 261,052.26 and 141,325.29

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Solution

The fourth proportional to 189,154.98, 261,052.26 and 141,325.29 is: 195,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,154.98 : 261,052.26 = 141,325.29 : x
  2. Step 2: Convert to fraction form
    189,154.98/261,052.26 = 141,325.29/x
  3. Step 3: Cross multiply
    189,154.98x = 261,052.26 × 141,325.29
  4. Step 4: Simplify right side
    189,154.98x = 36,893,286,349.66
  5. Step 5: Solve for x
    x = 36,893,286,349.66/189,154.98
  6. Step 6: Final answer
    x = 195,042.64

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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.