Home / 112,944.54-155,837.28-67,605.28

Finding the Fourth Proportional to 112,944.54, 155,837.28 and 67,605.28

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Solution

The fourth proportional to 112,944.54, 155,837.28 and 67,605.28 is: 93,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.54 : 155,837.28 = 67,605.28 : x
  2. Step 2: Convert to fraction form
    112,944.54/155,837.28 = 67,605.28/x
  3. Step 3: Cross multiply
    112,944.54x = 155,837.28 × 67,605.28
  4. Step 4: Simplify right side
    112,944.54x = 10,535,422,948.84
  5. Step 5: Solve for x
    x = 10,535,422,948.84/112,944.54
  6. Step 6: Final answer
    x = 93,279.61

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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.