Home / 210,760.05-290,853.14-115,272.89

Finding the Fourth Proportional to 210,760.05, 290,853.14 and 115,272.89

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Solution

The fourth proportional to 210,760.05, 290,853.14 and 115,272.89 is: 159,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,760.05 : 290,853.14 = 115,272.89 : x
  2. Step 2: Convert to fraction form
    210,760.05/290,853.14 = 115,272.89/x
  3. Step 3: Cross multiply
    210,760.05x = 290,853.14 × 115,272.89
  4. Step 4: Simplify right side
    210,760.05x = 33,527,482,013.37
  5. Step 5: Solve for x
    x = 33,527,482,013.37/210,760.05
  6. Step 6: Final answer
    x = 159,078.92

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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.