Home / 250,155.03-345,214.17-135,433.76

Finding the Fourth Proportional to 250,155.03, 345,214.17 and 135,433.76

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Solution

The fourth proportional to 250,155.03, 345,214.17 and 135,433.76 is: 186,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,155.03 : 345,214.17 = 135,433.76 : x
  2. Step 2: Convert to fraction form
    250,155.03/345,214.17 = 135,433.76/x
  3. Step 3: Cross multiply
    250,155.03x = 345,214.17 × 135,433.76
  4. Step 4: Simplify right side
    250,155.03x = 46,753,650,814.43
  5. Step 5: Solve for x
    x = 46,753,650,814.43/250,155.03
  6. Step 6: Final answer
    x = 186,898.70

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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.