Home / 207,364.96-311,036.46-102,148.40

Finding the Fourth Proportional to 207,364.96, 311,036.46 and 102,148.40

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Solution

The fourth proportional to 207,364.96, 311,036.46 and 102,148.40 is: 153,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,364.96 : 311,036.46 = 102,148.40 : x
  2. Step 2: Convert to fraction form
    207,364.96/311,036.46 = 102,148.40/x
  3. Step 3: Cross multiply
    207,364.96x = 311,036.46 × 102,148.40
  4. Step 4: Simplify right side
    207,364.96x = 31,771,876,730.66
  5. Step 5: Solve for x
    x = 31,771,876,730.66/207,364.96
  6. Step 6: Final answer
    x = 153,217.19

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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.