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Finding the Fourth Proportional to 134,446.56, 185,616.12 and 119,499.84

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Solution

The fourth proportional to 134,446.56, 185,616.12 and 119,499.84 is: 164,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,446.56 : 185,616.12 = 119,499.84 : x
  2. Step 2: Convert to fraction form
    134,446.56/185,616.12 = 119,499.84/x
  3. Step 3: Cross multiply
    134,446.56x = 185,616.12 × 119,499.84
  4. Step 4: Simplify right side
    134,446.56x = 22,181,096,641.42
  5. Step 5: Solve for x
    x = 22,181,096,641.42/134,446.56
  6. Step 6: Final answer
    x = 164,980.77

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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.