Home / 215,427.89-297,267.92-124,813.19

Finding the Fourth Proportional to 215,427.89, 297,267.92 and 124,813.19

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Solution

The fourth proportional to 215,427.89, 297,267.92 and 124,813.19 is: 172,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,427.89 : 297,267.92 = 124,813.19 : x
  2. Step 2: Convert to fraction form
    215,427.89/297,267.92 = 124,813.19/x
  3. Step 3: Cross multiply
    215,427.89x = 297,267.92 × 124,813.19
  4. Step 4: Simplify right side
    215,427.89x = 37,102,955,269.46
  5. Step 5: Solve for x
    x = 37,102,955,269.46/215,427.89
  6. Step 6: Final answer
    x = 172,229.12

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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.