Home / 168,866.32-252,966.58-137,312

Finding the Fourth Proportional to 168,866.32, 252,966.58 and 137,312

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Solution

The fourth proportional to 168,866.32, 252,966.58 and 137,312 is: 205,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,866.32 : 252,966.58 = 137,312 : x
  2. Step 2: Convert to fraction form
    168,866.32/252,966.58 = 137,312/x
  3. Step 3: Cross multiply
    168,866.32x = 252,966.58 × 137,312
  4. Step 4: Simplify right side
    168,866.32x = 34,735,347,032.96
  5. Step 5: Solve for x
    x = 34,735,347,032.96/168,866.32
  6. Step 6: Final answer
    x = 205,697.31

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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.