Home / 240,293.63-331,596.91-131,400.61

Finding the Fourth Proportional to 240,293.63, 331,596.91 and 131,400.61

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Solution

The fourth proportional to 240,293.63, 331,596.91 and 131,400.61 is: 181,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,293.63 : 331,596.91 = 131,400.61 : x
  2. Step 2: Convert to fraction form
    240,293.63/331,596.91 = 131,400.61/x
  3. Step 3: Cross multiply
    240,293.63x = 331,596.91 × 131,400.61
  4. Step 4: Simplify right side
    240,293.63x = 43,572,036,248.12
  5. Step 5: Solve for x
    x = 43,572,036,248.12/240,293.63
  6. Step 6: Final answer
    x = 181,328.30

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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.