Home / 121,461.01-167,746.88-92,471.42

Finding the Fourth Proportional to 121,461.01, 167,746.88 and 92,471.42

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Solution

The fourth proportional to 121,461.01, 167,746.88 and 92,471.42 is: 127,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,461.01 : 167,746.88 = 92,471.42 : x
  2. Step 2: Convert to fraction form
    121,461.01/167,746.88 = 92,471.42/x
  3. Step 3: Cross multiply
    121,461.01x = 167,746.88 × 92,471.42
  4. Step 4: Simplify right side
    121,461.01x = 15,511,792,844.72
  5. Step 5: Solve for x
    x = 15,511,792,844.72/121,461.01
  6. Step 6: Final answer
    x = 127,710.06

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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.