Home / 215,790.63-297,819.93-123,946.05

Finding the Fourth Proportional to 215,790.63, 297,819.93 and 123,946.05

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Solution

The fourth proportional to 215,790.63, 297,819.93 and 123,946.05 is: 171,062.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,790.63 : 297,819.93 = 123,946.05 : x
  2. Step 2: Convert to fraction form
    215,790.63/297,819.93 = 123,946.05/x
  3. Step 3: Cross multiply
    215,790.63x = 297,819.93 × 123,946.05
  4. Step 4: Simplify right side
    215,790.63x = 36,913,603,934.78
  5. Step 5: Solve for x
    x = 36,913,603,934.78/215,790.63
  6. Step 6: Final answer
    x = 171,062.13

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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.