Home / 240,233.52-331,555.32-138,256.95

Finding the Fourth Proportional to 240,233.52, 331,555.32 and 138,256.95

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Solution

The fourth proportional to 240,233.52, 331,555.32 and 138,256.95 is: 190,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,233.52 : 331,555.32 = 138,256.95 : x
  2. Step 2: Convert to fraction form
    240,233.52/331,555.32 = 138,256.95/x
  3. Step 3: Cross multiply
    240,233.52x = 331,555.32 × 138,256.95
  4. Step 4: Simplify right side
    240,233.52x = 45,839,827,299.47
  5. Step 5: Solve for x
    x = 45,839,827,299.47/240,233.52
  6. Step 6: Final answer
    x = 190,813.62

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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.