Home / 112,716.16-155,546.40-62,414.08

Finding the Fourth Proportional to 112,716.16, 155,546.40 and 62,414.08

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Solution

The fourth proportional to 112,716.16, 155,546.40 and 62,414.08 is: 86,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,716.16 : 155,546.40 = 62,414.08 : x
  2. Step 2: Convert to fraction form
    112,716.16/155,546.40 = 62,414.08/x
  3. Step 3: Cross multiply
    112,716.16x = 155,546.40 × 62,414.08
  4. Step 4: Simplify right side
    112,716.16x = 9,708,285,453.31
  5. Step 5: Solve for x
    x = 9,708,285,453.31/112,716.16
  6. Step 6: Final answer
    x = 86,130.38

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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.