Home / 134,775.30-186,049.71-87,051.93

Finding the Fourth Proportional to 134,775.30, 186,049.71 and 87,051.93

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Solution

The fourth proportional to 134,775.30, 186,049.71 and 87,051.93 is: 120,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,775.30 : 186,049.71 = 87,051.93 : x
  2. Step 2: Convert to fraction form
    134,775.30/186,049.71 = 87,051.93/x
  3. Step 3: Cross multiply
    134,775.30x = 186,049.71 × 87,051.93
  4. Step 4: Simplify right side
    134,775.30x = 16,195,986,331.44
  5. Step 5: Solve for x
    x = 16,195,986,331.44/134,775.30
  6. Step 6: Final answer
    x = 120,170.29

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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.