Home / 215,427.24-297,339.12-139,844.52

Finding the Fourth Proportional to 215,427.24, 297,339.12 and 139,844.52

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Solution

The fourth proportional to 215,427.24, 297,339.12 and 139,844.52 is: 193,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,427.24 : 297,339.12 = 139,844.52 : x
  2. Step 2: Convert to fraction form
    215,427.24/297,339.12 = 139,844.52/x
  3. Step 3: Cross multiply
    215,427.24x = 297,339.12 × 139,844.52
  4. Step 4: Simplify right side
    215,427.24x = 41,581,246,513.62
  5. Step 5: Solve for x
    x = 41,581,246,513.62/215,427.24
  6. Step 6: Final answer
    x = 193,017.59

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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.