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Finding the Fourth Proportional to 125,706.48, 188,500.68 and 46,818.96

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Solution

The fourth proportional to 125,706.48, 188,500.68 and 46,818.96 is: 70,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,706.48 : 188,500.68 = 46,818.96 : x
  2. Step 2: Convert to fraction form
    125,706.48/188,500.68 = 46,818.96/x
  3. Step 3: Cross multiply
    125,706.48x = 188,500.68 × 46,818.96
  4. Step 4: Simplify right side
    125,706.48x = 8,825,405,796.89
  5. Step 5: Solve for x
    x = 8,825,405,796.89/125,706.48
  6. Step 6: Final answer
    x = 70,206.45

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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.