Home / 134,774.31-186,048.34-87,050.94

Finding the Fourth Proportional to 134,774.31, 186,048.34 and 87,050.94

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Solution

The fourth proportional to 134,774.31, 186,048.34 and 87,050.94 is: 120,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.31 : 186,048.34 = 87,050.94 : x
  2. Step 2: Convert to fraction form
    134,774.31/186,048.34 = 87,050.94/x
  3. Step 3: Cross multiply
    134,774.31x = 186,048.34 × 87,050.94
  4. Step 4: Simplify right side
    134,774.31x = 16,195,682,882.44
  5. Step 5: Solve for x
    x = 16,195,682,882.44/134,774.31
  6. Step 6: Final answer
    x = 120,168.92

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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.