Home / 219,784.12-303,172.14-140,296.12

Finding the Fourth Proportional to 219,784.12, 303,172.14 and 140,296.12

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Solution

The fourth proportional to 219,784.12, 303,172.14 and 140,296.12 is: 193,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,784.12 : 303,172.14 = 140,296.12 : x
  2. Step 2: Convert to fraction form
    219,784.12/303,172.14 = 140,296.12/x
  3. Step 3: Cross multiply
    219,784.12x = 303,172.14 × 140,296.12
  4. Step 4: Simplify right side
    219,784.12x = 42,533,874,934.10
  5. Step 5: Solve for x
    x = 42,533,874,934.10/219,784.12
  6. Step 6: Final answer
    x = 193,525.70

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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.