Home / 215,671.49-297,622.67-117,555.57

Finding the Fourth Proportional to 215,671.49, 297,622.67 and 117,555.57

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Solution

The fourth proportional to 215,671.49, 297,622.67 and 117,555.57 is: 162,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,671.49 : 297,622.67 = 117,555.57 : x
  2. Step 2: Convert to fraction form
    215,671.49/297,622.67 = 117,555.57/x
  3. Step 3: Cross multiply
    215,671.49x = 297,622.67 × 117,555.57
  4. Step 4: Simplify right side
    215,671.49x = 34,987,202,690.24
  5. Step 5: Solve for x
    x = 34,987,202,690.24/215,671.49
  6. Step 6: Final answer
    x = 162,224.51

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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.