Home / 123,181.56-169,990.19-69,466.18

Finding the Fourth Proportional to 123,181.56, 169,990.19 and 69,466.18

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Solution

The fourth proportional to 123,181.56, 169,990.19 and 69,466.18 is: 95,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,181.56 : 169,990.19 = 69,466.18 : x
  2. Step 2: Convert to fraction form
    123,181.56/169,990.19 = 69,466.18/x
  3. Step 3: Cross multiply
    123,181.56x = 169,990.19 × 69,466.18
  4. Step 4: Simplify right side
    123,181.56x = 11,808,569,812.54
  5. Step 5: Solve for x
    x = 11,808,569,812.54/123,181.56
  6. Step 6: Final answer
    x = 95,863.13

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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.