Home / 141,866.34-212,172.10-126,181.50

Finding the Fourth Proportional to 141,866.34, 212,172.10 and 126,181.50

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Solution

The fourth proportional to 141,866.34, 212,172.10 and 126,181.50 is: 188,714.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,866.34 : 212,172.10 = 126,181.50 : x
  2. Step 2: Convert to fraction form
    141,866.34/212,172.10 = 126,181.50/x
  3. Step 3: Cross multiply
    141,866.34x = 212,172.10 × 126,181.50
  4. Step 4: Simplify right side
    141,866.34x = 26,772,193,836.15
  5. Step 5: Solve for x
    x = 26,772,193,836.15/141,866.34
  6. Step 6: Final answer
    x = 188,714.21

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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.