Home / 121,130.37-167,165.42-67,418.83

Finding the Fourth Proportional to 121,130.37, 167,165.42 and 67,418.83

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Solution

The fourth proportional to 121,130.37, 167,165.42 and 67,418.83 is: 93,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,130.37 : 167,165.42 = 67,418.83 : x
  2. Step 2: Convert to fraction form
    121,130.37/167,165.42 = 67,418.83/x
  3. Step 3: Cross multiply
    121,130.37x = 167,165.42 × 67,418.83
  4. Step 4: Simplify right side
    121,130.37x = 11,270,095,964.42
  5. Step 5: Solve for x
    x = 11,270,095,964.42/121,130.37
  6. Step 6: Final answer
    x = 93,041.04

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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.