Home / 121,487.04-167,659.56-67,772.16

Finding the Fourth Proportional to 121,487.04, 167,659.56 and 67,772.16

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Solution

The fourth proportional to 121,487.04, 167,659.56 and 67,772.16 is: 93,529.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,487.04 : 167,659.56 = 67,772.16 : x
  2. Step 2: Convert to fraction form
    121,487.04/167,659.56 = 67,772.16/x
  3. Step 3: Cross multiply
    121,487.04x = 167,659.56 × 67,772.16
  4. Step 4: Simplify right side
    121,487.04x = 11,362,650,525.85
  5. Step 5: Solve for x
    x = 11,362,650,525.85/121,487.04
  6. Step 6: Final answer
    x = 93,529.73

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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.