Home / 131,274.99-181,150.16-103,048.11

Finding the Fourth Proportional to 131,274.99, 181,150.16 and 103,048.11

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Solution

The fourth proportional to 131,274.99, 181,150.16 and 103,048.11 is: 142,199.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,274.99 : 181,150.16 = 103,048.11 : x
  2. Step 2: Convert to fraction form
    131,274.99/181,150.16 = 103,048.11/x
  3. Step 3: Cross multiply
    131,274.99x = 181,150.16 × 103,048.11
  4. Step 4: Simplify right side
    131,274.99x = 18,667,181,098.96
  5. Step 5: Solve for x
    x = 18,667,181,098.96/131,274.99
  6. Step 6: Final answer
    x = 142,199.07

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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.