Home / 240,551.38-331,955.67-131,655.19

Finding the Fourth Proportional to 240,551.38, 331,955.67 and 131,655.19

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Solution

The fourth proportional to 240,551.38, 331,955.67 and 131,655.19 is: 181,681.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,551.38 : 331,955.67 = 131,655.19 : x
  2. Step 2: Convert to fraction form
    240,551.38/331,955.67 = 131,655.19/x
  3. Step 3: Cross multiply
    240,551.38x = 331,955.67 × 131,655.19
  4. Step 4: Simplify right side
    240,551.38x = 43,703,686,805.43
  5. Step 5: Solve for x
    x = 43,703,686,805.43/240,551.38
  6. Step 6: Final answer
    x = 181,681.30

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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.