Home / 127,269.39-190,903.40-31,205.42

Finding the Fourth Proportional to 127,269.39, 190,903.40 and 31,205.42

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Solution

The fourth proportional to 127,269.39, 190,903.40 and 31,205.42 is: 46,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,269.39 : 190,903.40 = 31,205.42 : x
  2. Step 2: Convert to fraction form
    127,269.39/190,903.40 = 31,205.42/x
  3. Step 3: Cross multiply
    127,269.39x = 190,903.40 × 31,205.42
  4. Step 4: Simplify right side
    127,269.39x = 5,957,220,498.79
  5. Step 5: Solve for x
    x = 5,957,220,498.79/127,269.39
  6. Step 6: Final answer
    x = 46,807.96

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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.