Home / 112,905.50-169,369.99-38,033.96

Finding the Fourth Proportional to 112,905.50, 169,369.99 and 38,033.96

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Solution

The fourth proportional to 112,905.50, 169,369.99 and 38,033.96 is: 57,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,905.50 : 169,369.99 = 38,033.96 : x
  2. Step 2: Convert to fraction form
    112,905.50/169,369.99 = 38,033.96/x
  3. Step 3: Cross multiply
    112,905.50x = 169,369.99 × 38,033.96
  4. Step 4: Simplify right side
    112,905.50x = 6,441,810,482.93
  5. Step 5: Solve for x
    x = 6,441,810,482.93/112,905.50
  6. Step 6: Final answer
    x = 57,054.89

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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.