Home / 112,062.87-154,642.25-61,074.51

Finding the Fourth Proportional to 112,062.87, 154,642.25 and 61,074.51

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Solution

The fourth proportional to 112,062.87, 154,642.25 and 61,074.51 is: 84,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,062.87 : 154,642.25 = 61,074.51 : x
  2. Step 2: Convert to fraction form
    112,062.87/154,642.25 = 61,074.51/x
  3. Step 3: Cross multiply
    112,062.87x = 154,642.25 × 61,074.51
  4. Step 4: Simplify right side
    112,062.87x = 9,444,699,644.05
  5. Step 5: Solve for x
    x = 9,444,699,644.05/112,062.87
  6. Step 6: Final answer
    x = 84,280.37

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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.