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Finding the Fourth Proportional to 158,333.58, 218,500.68 and 85,737.27

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Solution

The fourth proportional to 158,333.58, 218,500.68 and 85,737.27 is: 118,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,333.58 : 218,500.68 = 85,737.27 : x
  2. Step 2: Convert to fraction form
    158,333.58/218,500.68 = 85,737.27/x
  3. Step 3: Cross multiply
    158,333.58x = 218,500.68 × 85,737.27
  4. Step 4: Simplify right side
    158,333.58x = 18,733,651,796.34
  5. Step 5: Solve for x
    x = 18,733,651,796.34/158,333.58
  6. Step 6: Final answer
    x = 118,317.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.