Home / 121,844.06-168,151.32-73,461.46

Finding the Fourth Proportional to 121,844.06, 168,151.32 and 73,461.46

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Solution

The fourth proportional to 121,844.06, 168,151.32 and 73,461.46 is: 101,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,844.06 : 168,151.32 = 73,461.46 : x
  2. Step 2: Convert to fraction form
    121,844.06/168,151.32 = 73,461.46/x
  3. Step 3: Cross multiply
    121,844.06x = 168,151.32 × 73,461.46
  4. Step 4: Simplify right side
    121,844.06x = 12,352,641,468.13
  5. Step 5: Solve for x
    x = 12,352,641,468.13/121,844.06
  6. Step 6: Final answer
    x = 101,380.74

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1.5x scale

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.