Home / 137,166.90-205,639.62-126,095.21

Finding the Fourth Proportional to 137,166.90, 205,639.62 and 126,095.21

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Solution

The fourth proportional to 137,166.90, 205,639.62 and 126,095.21 is: 189,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,166.90 : 205,639.62 = 126,095.21 : x
  2. Step 2: Convert to fraction form
    137,166.90/205,639.62 = 126,095.21/x
  3. Step 3: Cross multiply
    137,166.90x = 205,639.62 × 126,095.21
  4. Step 4: Simplify right side
    137,166.90x = 25,930,171,068.22
  5. Step 5: Solve for x
    x = 25,930,171,068.22/137,166.90
  6. Step 6: Final answer
    x = 189,041.02

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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.