Home / 215,602.23-297,531.45-120,112.32

Finding the Fourth Proportional to 215,602.23, 297,531.45 and 120,112.32

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Solution

The fourth proportional to 215,602.23, 297,531.45 and 120,112.32 is: 165,755.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,602.23 : 297,531.45 = 120,112.32 : x
  2. Step 2: Convert to fraction form
    215,602.23/297,531.45 = 120,112.32/x
  3. Step 3: Cross multiply
    215,602.23x = 297,531.45 × 120,112.32
  4. Step 4: Simplify right side
    215,602.23x = 35,737,192,732.46
  5. Step 5: Solve for x
    x = 35,737,192,732.46/215,602.23
  6. Step 6: Final answer
    x = 165,755.21

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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.