Home / 231,950.28-320,085.98-136,463.13

Finding the Fourth Proportional to 231,950.28, 320,085.98 and 136,463.13

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Solution

The fourth proportional to 231,950.28, 320,085.98 and 136,463.13 is: 188,315.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,950.28 : 320,085.98 = 136,463.13 : x
  2. Step 2: Convert to fraction form
    231,950.28/320,085.98 = 136,463.13/x
  3. Step 3: Cross multiply
    231,950.28x = 320,085.98 × 136,463.13
  4. Step 4: Simplify right side
    231,950.28x = 43,679,934,529.34
  5. Step 5: Solve for x
    x = 43,679,934,529.34/231,950.28
  6. Step 6: Final answer
    x = 188,315.93

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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.