Home / 131,170.68-181,015.56-74,585.52

Finding the Fourth Proportional to 131,170.68, 181,015.56 and 74,585.52

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Solution

The fourth proportional to 131,170.68, 181,015.56 and 74,585.52 is: 102,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,170.68 : 181,015.56 = 74,585.52 : x
  2. Step 2: Convert to fraction form
    131,170.68/181,015.56 = 74,585.52/x
  3. Step 3: Cross multiply
    131,170.68x = 181,015.56 × 74,585.52
  4. Step 4: Simplify right side
    131,170.68x = 13,501,139,670.69
  5. Step 5: Solve for x
    x = 13,501,139,670.69/131,170.68
  6. Step 6: Final answer
    x = 102,928.03

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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.