Home / 121,270.03-167,357.81-67,555.03

Finding the Fourth Proportional to 121,270.03, 167,357.81 and 67,555.03

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Solution

The fourth proportional to 121,270.03, 167,357.81 and 67,555.03 is: 93,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,270.03 : 167,357.81 = 67,555.03 : x
  2. Step 2: Convert to fraction form
    121,270.03/167,357.81 = 67,555.03/x
  3. Step 3: Cross multiply
    121,270.03x = 167,357.81 × 67,555.03
  4. Step 4: Simplify right side
    121,270.03x = 11,305,861,875.28
  5. Step 5: Solve for x
    x = 11,305,861,875.28/121,270.03
  6. Step 6: Final answer
    x = 93,228.82

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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.