Home / 147,588.07-203,724.12-87,158.96

Finding the Fourth Proportional to 147,588.07, 203,724.12 and 87,158.96

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Solution

The fourth proportional to 147,588.07, 203,724.12 and 87,158.96 is: 120,310.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,588.07 : 203,724.12 = 87,158.96 : x
  2. Step 2: Convert to fraction form
    147,588.07/203,724.12 = 87,158.96/x
  3. Step 3: Cross multiply
    147,588.07x = 203,724.12 × 87,158.96
  4. Step 4: Simplify right side
    147,588.07x = 17,756,382,426.12
  5. Step 5: Solve for x
    x = 17,756,382,426.12/147,588.07
  6. Step 6: Final answer
    x = 120,310.42

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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.