Home / 113,939.24-157,242.14-68,631.42

Finding the Fourth Proportional to 113,939.24, 157,242.14 and 68,631.42

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Solution

The fourth proportional to 113,939.24, 157,242.14 and 68,631.42 is: 94,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,939.24 : 157,242.14 = 68,631.42 : x
  2. Step 2: Convert to fraction form
    113,939.24/157,242.14 = 68,631.42/x
  3. Step 3: Cross multiply
    113,939.24x = 157,242.14 × 68,631.42
  4. Step 4: Simplify right side
    113,939.24x = 10,791,751,352.04
  5. Step 5: Solve for x
    x = 10,791,751,352.04/113,939.24
  6. Step 6: Final answer
    x = 94,714.97

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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.