Home / 126,636.75-190,020.74-64,307.25

Finding the Fourth Proportional to 126,636.75, 190,020.74 and 64,307.25

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Solution

The fourth proportional to 126,636.75, 190,020.74 and 64,307.25 is: 96,494.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,636.75 : 190,020.74 = 64,307.25 : x
  2. Step 2: Convert to fraction form
    126,636.75/190,020.74 = 64,307.25/x
  3. Step 3: Cross multiply
    126,636.75x = 190,020.74 × 64,307.25
  4. Step 4: Simplify right side
    126,636.75x = 12,219,710,910.83
  5. Step 5: Solve for x
    x = 12,219,710,910.83/126,636.75
  6. Step 6: Final answer
    x = 96,494.19

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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.