Home / 219,781.72-303,278.34-124,288.12

Finding the Fourth Proportional to 219,781.72, 303,278.34 and 124,288.12

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Solution

The fourth proportional to 219,781.72, 303,278.34 and 124,288.12 is: 171,506.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,781.72 : 303,278.34 = 124,288.12 : x
  2. Step 2: Convert to fraction form
    219,781.72/303,278.34 = 124,288.12/x
  3. Step 3: Cross multiply
    219,781.72x = 303,278.34 × 124,288.12
  4. Step 4: Simplify right side
    219,781.72x = 37,693,894,715.32
  5. Step 5: Solve for x
    x = 37,693,894,715.32/219,781.72
  6. Step 6: Final answer
    x = 171,506.05

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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.