Home / 112,024.87-154,523.68-66,669.01

Finding the Fourth Proportional to 112,024.87, 154,523.68 and 66,669.01

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Solution

The fourth proportional to 112,024.87, 154,523.68 and 66,669.01 is: 91,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,024.87 : 154,523.68 = 66,669.01 : x
  2. Step 2: Convert to fraction form
    112,024.87/154,523.68 = 66,669.01/x
  3. Step 3: Cross multiply
    112,024.87x = 154,523.68 × 66,669.01
  4. Step 4: Simplify right side
    112,024.87x = 10,301,940,214.18
  5. Step 5: Solve for x
    x = 10,301,940,214.18/112,024.87
  6. Step 6: Final answer
    x = 91,961.19

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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.