Home / 240,038.72-331,272.80-132,618.12

Finding the Fourth Proportional to 240,038.72, 331,272.80 and 132,618.12

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Solution

The fourth proportional to 240,038.72, 331,272.80 and 132,618.12 is: 183,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,038.72 : 331,272.80 = 132,618.12 : x
  2. Step 2: Convert to fraction form
    240,038.72/331,272.80 = 132,618.12/x
  3. Step 3: Cross multiply
    240,038.72x = 331,272.80 × 132,618.12
  4. Step 4: Simplify right side
    240,038.72x = 43,932,775,943.14
  5. Step 5: Solve for x
    x = 43,932,775,943.14/240,038.72
  6. Step 6: Final answer
    x = 183,023.71

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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.