Home / 121,220.08-167,500.64-94,431.76

Finding the Fourth Proportional to 121,220.08, 167,500.64 and 94,431.76

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Solution

The fourth proportional to 121,220.08, 167,500.64 and 94,431.76 is: 130,484.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,220.08 : 167,500.64 = 94,431.76 : x
  2. Step 2: Convert to fraction form
    121,220.08/167,500.64 = 94,431.76/x
  3. Step 3: Cross multiply
    121,220.08x = 167,500.64 × 94,431.76
  4. Step 4: Simplify right side
    121,220.08x = 15,817,380,236.33
  5. Step 5: Solve for x
    x = 15,817,380,236.33/121,220.08
  6. Step 6: Final answer
    x = 130,484.82

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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.