Home / 250,155.48-345,214.64-135,434.10

Finding the Fourth Proportional to 250,155.48, 345,214.64 and 135,434.10

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Solution

The fourth proportional to 250,155.48, 345,214.64 and 135,434.10 is: 186,899.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,155.48 : 345,214.64 = 135,434.10 : x
  2. Step 2: Convert to fraction form
    250,155.48/345,214.64 = 135,434.10/x
  3. Step 3: Cross multiply
    250,155.48x = 345,214.64 × 135,434.10
  4. Step 4: Simplify right side
    250,155.48x = 46,753,833,398.05
  5. Step 5: Solve for x
    x = 46,753,833,398.05/250,155.48
  6. Step 6: Final answer
    x = 186,899.10

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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.