Home / 84,172.02-126,263.39-34,224.82

Finding the Fourth Proportional to 84,172.02, 126,263.39 and 34,224.82

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Solution

The fourth proportional to 84,172.02, 126,263.39 and 34,224.82 is: 51,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172.02 : 126,263.39 = 34,224.82 : x
  2. Step 2: Convert to fraction form
    84,172.02/126,263.39 = 34,224.82/x
  3. Step 3: Cross multiply
    84,172.02x = 126,263.39 × 34,224.82
  4. Step 4: Simplify right side
    84,172.02x = 4,321,341,795.34
  5. Step 5: Solve for x
    x = 4,321,341,795.34/84,172.02
  6. Step 6: Final answer
    x = 51,339.41

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1.5x scale

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.