Home / 235,985.20-354,286.50-140,097.47

Finding the Fourth Proportional to 235,985.20, 354,286.50 and 140,097.47

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Solution

The fourth proportional to 235,985.20, 354,286.50 and 140,097.47 is: 210,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,985.20 : 354,286.50 = 140,097.47 : x
  2. Step 2: Convert to fraction form
    235,985.20/354,286.50 = 140,097.47/x
  3. Step 3: Cross multiply
    235,985.20x = 354,286.50 × 140,097.47
  4. Step 4: Simplify right side
    235,985.20x = 49,634,642,338.18
  5. Step 5: Solve for x
    x = 49,634,642,338.18/235,985.20
  6. Step 6: Final answer
    x = 210,329.47

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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.