Home / 121,052.28-181,746.90-61,928.76

Finding the Fourth Proportional to 121,052.28, 181,746.90 and 61,928.76

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Solution

The fourth proportional to 121,052.28, 181,746.90 and 61,928.76 is: 92,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,052.28 : 181,746.90 = 61,928.76 : x
  2. Step 2: Convert to fraction form
    121,052.28/181,746.90 = 61,928.76/x
  3. Step 3: Cross multiply
    121,052.28x = 181,746.90 × 61,928.76
  4. Step 4: Simplify right side
    121,052.28x = 11,255,360,150.84
  5. Step 5: Solve for x
    x = 11,255,360,150.84/121,052.28
  6. Step 6: Final answer
    x = 92,979.33

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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.