Home / 239,381.96-330,347.02-131,953.78

Finding the Fourth Proportional to 239,381.96, 330,347.02 and 131,953.78

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Solution

The fourth proportional to 239,381.96, 330,347.02 and 131,953.78 is: 182,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,381.96 : 330,347.02 = 131,953.78 : x
  2. Step 2: Convert to fraction form
    239,381.96/330,347.02 = 131,953.78/x
  3. Step 3: Cross multiply
    239,381.96x = 330,347.02 × 131,953.78
  4. Step 4: Simplify right side
    239,381.96x = 43,590,538,000.74
  5. Step 5: Solve for x
    x = 43,590,538,000.74/239,381.96
  6. Step 6: Final answer
    x = 182,096.17

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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.