Home / 126,300.02-174,282.99-80,897.90

Finding the Fourth Proportional to 126,300.02, 174,282.99 and 80,897.90

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Solution

The fourth proportional to 126,300.02, 174,282.99 and 80,897.90 is: 111,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,300.02 : 174,282.99 = 80,897.90 : x
  2. Step 2: Convert to fraction form
    126,300.02/174,282.99 = 80,897.90/x
  3. Step 3: Cross multiply
    126,300.02x = 174,282.99 × 80,897.90
  4. Step 4: Simplify right side
    126,300.02x = 14,099,127,896.72
  5. Step 5: Solve for x
    x = 14,099,127,896.72/126,300.02
  6. Step 6: Final answer
    x = 111,632.03

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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.