Home / 119,135.10-178,702.65-113,886.30

Finding the Fourth Proportional to 119,135.10, 178,702.65 and 113,886.30

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Solution

The fourth proportional to 119,135.10, 178,702.65 and 113,886.30 is: 170,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,135.10 : 178,702.65 = 113,886.30 : x
  2. Step 2: Convert to fraction form
    119,135.10/178,702.65 = 113,886.30/x
  3. Step 3: Cross multiply
    119,135.10x = 178,702.65 × 113,886.30
  4. Step 4: Simplify right side
    119,135.10x = 20,351,783,608.70
  5. Step 5: Solve for x
    x = 20,351,783,608.70/119,135.10
  6. Step 6: Final answer
    x = 170,829.45

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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.