Home / 147,080.72-203,178.12-131,160.08

Finding the Fourth Proportional to 147,080.72, 203,178.12 and 131,160.08

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Solution

The fourth proportional to 147,080.72, 203,178.12 and 131,160.08 is: 181,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,080.72 : 203,178.12 = 131,160.08 : x
  2. Step 2: Convert to fraction form
    147,080.72/203,178.12 = 131,160.08/x
  3. Step 3: Cross multiply
    147,080.72x = 203,178.12 × 131,160.08
  4. Step 4: Simplify right side
    147,080.72x = 26,648,858,473.45
  5. Step 5: Solve for x
    x = 26,648,858,473.45/147,080.72
  6. Step 6: Final answer
    x = 181,185.26

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1.5x scale

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.