Home / 215,246.86-322,869.75-102,585.58

Finding the Fourth Proportional to 215,246.86, 322,869.75 and 102,585.58

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Solution

The fourth proportional to 215,246.86, 322,869.75 and 102,585.58 is: 153,878.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,246.86 : 322,869.75 = 102,585.58 : x
  2. Step 2: Convert to fraction form
    215,246.86/322,869.75 = 102,585.58/x
  3. Step 3: Cross multiply
    215,246.86x = 322,869.75 × 102,585.58
  4. Step 4: Simplify right side
    215,246.86x = 33,121,780,568.21
  5. Step 5: Solve for x
    x = 33,121,780,568.21/215,246.86
  6. Step 6: Final answer
    x = 153,878.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.