Home / 240,225.16-331,514.76-139,623.16

Finding the Fourth Proportional to 240,225.16, 331,514.76 and 139,623.16

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Solution

The fourth proportional to 240,225.16, 331,514.76 and 139,623.16 is: 192,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,225.16 : 331,514.76 = 139,623.16 : x
  2. Step 2: Convert to fraction form
    240,225.16/331,514.76 = 139,623.16/x
  3. Step 3: Cross multiply
    240,225.16x = 331,514.76 × 139,623.16
  4. Step 4: Simplify right side
    240,225.16x = 46,287,138,377.84
  5. Step 5: Solve for x
    x = 46,287,138,377.84/240,225.16
  6. Step 6: Final answer
    x = 192,682.31

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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.