Home / 121,463.02-167,619.20-67,751.52

Finding the Fourth Proportional to 121,463.02, 167,619.20 and 67,751.52

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Solution

The fourth proportional to 121,463.02, 167,619.20 and 67,751.52 is: 93,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,463.02 : 167,619.20 = 67,751.52 : x
  2. Step 2: Convert to fraction form
    121,463.02/167,619.20 = 67,751.52/x
  3. Step 3: Cross multiply
    121,463.02x = 167,619.20 × 67,751.52
  4. Step 4: Simplify right side
    121,463.02x = 11,356,455,581.18
  5. Step 5: Solve for x
    x = 11,356,455,581.18/121,463.02
  6. Step 6: Final answer
    x = 93,497.23

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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.