Home / 134,774.45-186,048.51-87,051.08

Finding the Fourth Proportional to 134,774.45, 186,048.51 and 87,051.08

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Solution

The fourth proportional to 134,774.45, 186,048.51 and 87,051.08 is: 120,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,774.45 : 186,048.51 = 87,051.08 : x
  2. Step 2: Convert to fraction form
    134,774.45/186,048.51 = 87,051.08/x
  3. Step 3: Cross multiply
    134,774.45x = 186,048.51 × 87,051.08
  4. Step 4: Simplify right side
    134,774.45x = 16,195,722,797.65
  5. Step 5: Solve for x
    x = 16,195,722,797.65/134,774.45
  6. Step 6: Final answer
    x = 120,169.09

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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.