Home / 215,108.85-296,857.44-118,320.18

Finding the Fourth Proportional to 215,108.85, 296,857.44 and 118,320.18

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Solution

The fourth proportional to 215,108.85, 296,857.44 and 118,320.18 is: 163,285.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,108.85 : 296,857.44 = 118,320.18 : x
  2. Step 2: Convert to fraction form
    215,108.85/296,857.44 = 118,320.18/x
  3. Step 3: Cross multiply
    215,108.85x = 296,857.44 × 118,320.18
  4. Step 4: Simplify right side
    215,108.85x = 35,124,225,735.14
  5. Step 5: Solve for x
    x = 35,124,225,735.14/215,108.85
  6. Step 6: Final answer
    x = 163,285.82

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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.