Home / 194,688.16-268,670.62-108,651

Finding the Fourth Proportional to 194,688.16, 268,670.62 and 108,651

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Solution

The fourth proportional to 194,688.16, 268,670.62 and 108,651 is: 149,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,688.16 : 268,670.62 = 108,651 : x
  2. Step 2: Convert to fraction form
    194,688.16/268,670.62 = 108,651/x
  3. Step 3: Cross multiply
    194,688.16x = 268,670.62 × 108,651
  4. Step 4: Simplify right side
    194,688.16x = 29,191,331,533.62
  5. Step 5: Solve for x
    x = 29,191,331,533.62/194,688.16
  6. Step 6: Final answer
    x = 149,938.92

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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.