Home / 121,280.58-166,155.16-116,735.24

Finding the Fourth Proportional to 121,280.58, 166,155.16 and 116,735.24

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Solution

The fourth proportional to 121,280.58, 166,155.16 and 116,735.24 is: 159,928.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,280.58 : 166,155.16 = 116,735.24 : x
  2. Step 2: Convert to fraction form
    121,280.58/166,155.16 = 116,735.24/x
  3. Step 3: Cross multiply
    121,280.58x = 166,155.16 × 116,735.24
  4. Step 4: Simplify right side
    121,280.58x = 19,396,162,479.84
  5. Step 5: Solve for x
    x = 19,396,162,479.84/121,280.58
  6. Step 6: Final answer
    x = 159,928.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.