Home / 210,799.96-290,897.76-115,304.60

Finding the Fourth Proportional to 210,799.96, 290,897.76 and 115,304.60

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Solution

The fourth proportional to 210,799.96, 290,897.76 and 115,304.60 is: 159,116.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,799.96 : 290,897.76 = 115,304.60 : x
  2. Step 2: Convert to fraction form
    210,799.96/290,897.76 = 115,304.60/x
  3. Step 3: Cross multiply
    210,799.96x = 290,897.76 × 115,304.60
  4. Step 4: Simplify right side
    210,799.96x = 33,541,849,857.70
  5. Step 5: Solve for x
    x = 33,541,849,857.70/210,799.96
  6. Step 6: Final answer
    x = 159,116.97

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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.