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Finding the Fourth Proportional to 125,345.70, 188,024.70 and 41,071.68

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Solution

The fourth proportional to 125,345.70, 188,024.70 and 41,071.68 is: 61,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,345.70 : 188,024.70 = 41,071.68 : x
  2. Step 2: Convert to fraction form
    125,345.70/188,024.70 = 41,071.68/x
  3. Step 3: Cross multiply
    125,345.70x = 188,024.70 × 41,071.68
  4. Step 4: Simplify right side
    125,345.70x = 7,722,490,310.50
  5. Step 5: Solve for x
    x = 7,722,490,310.50/125,345.70
  6. Step 6: Final answer
    x = 61,609.54

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1.5x scale

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.