Home / 126,852.93-174,853.02-86,003.82

Finding the Fourth Proportional to 126,852.93, 174,853.02 and 86,003.82

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Solution

The fourth proportional to 126,852.93, 174,853.02 and 86,003.82 is: 118,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,852.93 : 174,853.02 = 86,003.82 : x
  2. Step 2: Convert to fraction form
    126,852.93/174,853.02 = 86,003.82/x
  3. Step 3: Cross multiply
    126,852.93x = 174,853.02 × 86,003.82
  4. Step 4: Simplify right side
    126,852.93x = 15,038,028,095.67
  5. Step 5: Solve for x
    x = 15,038,028,095.67/126,852.93
  6. Step 6: Final answer
    x = 118,546.95

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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.