Home / 121,928.08-167,886.72-106,735.72

Finding the Fourth Proportional to 121,928.08, 167,886.72 and 106,735.72

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Solution

The fourth proportional to 121,928.08, 167,886.72 and 106,735.72 is: 146,967.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,928.08 : 167,886.72 = 106,735.72 : x
  2. Step 2: Convert to fraction form
    121,928.08/167,886.72 = 106,735.72/x
  3. Step 3: Cross multiply
    121,928.08x = 167,886.72 × 106,735.72
  4. Step 4: Simplify right side
    121,928.08x = 17,919,509,937.64
  5. Step 5: Solve for x
    x = 17,919,509,937.64/121,928.08
  6. Step 6: Final answer
    x = 146,967.87

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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.