Home / 215,113.98-296,864.46-118,321.92

Finding the Fourth Proportional to 215,113.98, 296,864.46 and 118,321.92

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Solution

The fourth proportional to 215,113.98, 296,864.46 and 118,321.92 is: 163,288.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,113.98 : 296,864.46 = 118,321.92 : x
  2. Step 2: Convert to fraction form
    215,113.98/296,864.46 = 118,321.92/x
  3. Step 3: Cross multiply
    215,113.98x = 296,864.46 × 118,321.92
  4. Step 4: Simplify right side
    215,113.98x = 35,125,572,886.96
  5. Step 5: Solve for x
    x = 35,125,572,886.96/215,113.98
  6. Step 6: Final answer
    x = 163,288.19

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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.