Home / 194,457.45-268,475.13-158,732.40

Finding the Fourth Proportional to 194,457.45, 268,475.13 and 158,732.40

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Solution

The fourth proportional to 194,457.45, 268,475.13 and 158,732.40 is: 219,151.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,457.45 : 268,475.13 = 158,732.40 : x
  2. Step 2: Convert to fraction form
    194,457.45/268,475.13 = 158,732.40/x
  3. Step 3: Cross multiply
    194,457.45x = 268,475.13 × 158,732.40
  4. Step 4: Simplify right side
    194,457.45x = 42,615,701,725.21
  5. Step 5: Solve for x
    x = 42,615,701,725.21/194,457.45
  6. Step 6: Final answer
    x = 219,151.81

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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.