Home / 215,377.32-297,220.77-119,881.98

Finding the Fourth Proportional to 215,377.32, 297,220.77 and 119,881.98

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Solution

The fourth proportional to 215,377.32, 297,220.77 and 119,881.98 is: 165,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,377.32 : 297,220.77 = 119,881.98 : x
  2. Step 2: Convert to fraction form
    215,377.32/297,220.77 = 119,881.98/x
  3. Step 3: Cross multiply
    215,377.32x = 297,220.77 × 119,881.98
  4. Step 4: Simplify right side
    215,377.32x = 35,631,414,404.72
  5. Step 5: Solve for x
    x = 35,631,414,404.72/215,377.32
  6. Step 6: Final answer
    x = 165,437.17

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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.