Home / 242,807.56-334,906.86-161,120.68

Finding the Fourth Proportional to 242,807.56, 334,906.86 and 161,120.68

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Solution

The fourth proportional to 242,807.56, 334,906.86 and 161,120.68 is: 222,235.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,807.56 : 334,906.86 = 161,120.68 : x
  2. Step 2: Convert to fraction form
    242,807.56/334,906.86 = 161,120.68/x
  3. Step 3: Cross multiply
    242,807.56x = 334,906.86 × 161,120.68
  4. Step 4: Simplify right side
    242,807.56x = 53,960,421,019.86
  5. Step 5: Solve for x
    x = 53,960,421,019.86/242,807.56
  6. Step 6: Final answer
    x = 222,235.34

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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.