Home / 121,132.94-167,176.86-73,412.60

Finding the Fourth Proportional to 121,132.94, 167,176.86 and 73,412.60

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Solution

The fourth proportional to 121,132.94, 167,176.86 and 73,412.60 is: 101,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,132.94 : 167,176.86 = 73,412.60 : x
  2. Step 2: Convert to fraction form
    121,132.94/167,176.86 = 73,412.60/x
  3. Step 3: Cross multiply
    121,132.94x = 167,176.86 × 73,412.60
  4. Step 4: Simplify right side
    121,132.94x = 12,272,887,952.44
  5. Step 5: Solve for x
    x = 12,272,887,952.44/121,132.94
  6. Step 6: Final answer
    x = 101,317.51

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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.