Home / 113,463.79-170,195.16-54,119.54

Finding the Fourth Proportional to 113,463.79, 170,195.16 and 54,119.54

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Solution

The fourth proportional to 113,463.79, 170,195.16 and 54,119.54 is: 81,179.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,463.79 : 170,195.16 = 54,119.54 : x
  2. Step 2: Convert to fraction form
    113,463.79/170,195.16 = 54,119.54/x
  3. Step 3: Cross multiply
    113,463.79x = 170,195.16 × 54,119.54
  4. Step 4: Simplify right side
    113,463.79x = 9,210,884,397.86
  5. Step 5: Solve for x
    x = 9,210,884,397.86/113,463.79
  6. Step 6: Final answer
    x = 81,179.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.