Home / 260,066.31-390,152.93-117,843.27

Finding the Fourth Proportional to 260,066.31, 390,152.93 and 117,843.27

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Solution

The fourth proportional to 260,066.31, 390,152.93 and 117,843.27 is: 176,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,066.31 : 390,152.93 = 117,843.27 : x
  2. Step 2: Convert to fraction form
    260,066.31/390,152.93 = 117,843.27/x
  3. Step 3: Cross multiply
    260,066.31x = 390,152.93 × 117,843.27
  4. Step 4: Simplify right side
    260,066.31x = 45,976,897,071.28
  5. Step 5: Solve for x
    x = 45,976,897,071.28/260,066.31
  6. Step 6: Final answer
    x = 176,789.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.