Home / 260,641.26-390,994.08-92,126.83

Finding the Fourth Proportional to 260,641.26, 390,994.08 and 92,126.83

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Solution

The fourth proportional to 260,641.26, 390,994.08 and 92,126.83 is: 138,201.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,641.26 : 390,994.08 = 92,126.83 : x
  2. Step 2: Convert to fraction form
    260,641.26/390,994.08 = 92,126.83/x
  3. Step 3: Cross multiply
    260,641.26x = 390,994.08 × 92,126.83
  4. Step 4: Simplify right side
    260,641.26x = 36,021,045,139.17
  5. Step 5: Solve for x
    x = 36,021,045,139.17/260,641.26
  6. Step 6: Final answer
    x = 138,201.62

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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.