Home / 242,516.89-334,628.96-135,084.19

Finding the Fourth Proportional to 242,516.89, 334,628.96 and 135,084.19

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Solution

The fourth proportional to 242,516.89, 334,628.96 and 135,084.19 is: 186,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,516.89 : 334,628.96 = 135,084.19 : x
  2. Step 2: Convert to fraction form
    242,516.89/334,628.96 = 135,084.19/x
  3. Step 3: Cross multiply
    242,516.89x = 334,628.96 × 135,084.19
  4. Step 4: Simplify right side
    242,516.89x = 45,203,081,336.72
  5. Step 5: Solve for x
    x = 45,203,081,336.72/242,516.89
  6. Step 6: Final answer
    x = 186,391.48

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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.