Home / 215,246.88-322,869.76-102,585.60

Finding the Fourth Proportional to 215,246.88, 322,869.76 and 102,585.60

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Solution

The fourth proportional to 215,246.88, 322,869.76 and 102,585.60 is: 153,878.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,246.88 : 322,869.76 = 102,585.60 : x
  2. Step 2: Convert to fraction form
    215,246.88/322,869.76 = 102,585.60/x
  3. Step 3: Cross multiply
    215,246.88x = 322,869.76 × 102,585.60
  4. Step 4: Simplify right side
    215,246.88x = 33,121,788,051.46
  5. Step 5: Solve for x
    x = 33,121,788,051.46/215,246.88
  6. Step 6: Final answer
    x = 153,878.13

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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.