Home / 215,210.65-296,997.81-118,425.57

Finding the Fourth Proportional to 215,210.65, 296,997.81 and 118,425.57

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Solution

The fourth proportional to 215,210.65, 296,997.81 and 118,425.57 is: 163,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,210.65 : 296,997.81 = 118,425.57 : x
  2. Step 2: Convert to fraction form
    215,210.65/296,997.81 = 118,425.57/x
  3. Step 3: Cross multiply
    215,210.65x = 296,997.81 × 118,425.57
  4. Step 4: Simplify right side
    215,210.65x = 35,172,132,860.88
  5. Step 5: Solve for x
    x = 35,172,132,860.88/215,210.65
  6. Step 6: Final answer
    x = 163,431.19

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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.