Home / 240,529.56-331,966-138,535.41

Finding the Fourth Proportional to 240,529.56, 331,966 and 138,535.41

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Solution

The fourth proportional to 240,529.56, 331,966 and 138,535.41 is: 191,199.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,529.56 : 331,966 = 138,535.41 : x
  2. Step 2: Convert to fraction form
    240,529.56/331,966 = 138,535.41/x
  3. Step 3: Cross multiply
    240,529.56x = 331,966 × 138,535.41
  4. Step 4: Simplify right side
    240,529.56x = 45,989,045,916.06
  5. Step 5: Solve for x
    x = 45,989,045,916.06/240,529.56
  6. Step 6: Final answer
    x = 191,199.14

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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.