Home / 126,985.07-190,506.31-63,835.45

Finding the Fourth Proportional to 126,985.07, 190,506.31 and 63,835.45

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Solution

The fourth proportional to 126,985.07, 190,506.31 and 63,835.45 is: 95,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,985.07 : 190,506.31 = 63,835.45 : x
  2. Step 2: Convert to fraction form
    126,985.07/190,506.31 = 63,835.45/x
  3. Step 3: Cross multiply
    126,985.07x = 190,506.31 × 63,835.45
  4. Step 4: Simplify right side
    126,985.07x = 12,161,056,026.69
  5. Step 5: Solve for x
    x = 12,161,056,026.69/126,985.07
  6. Step 6: Final answer
    x = 95,767.61

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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.