Home / 112,338.28-155,023.86-62,036.20

Finding the Fourth Proportional to 112,338.28, 155,023.86 and 62,036.20

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Solution

The fourth proportional to 112,338.28, 155,023.86 and 62,036.20 is: 85,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,338.28 : 155,023.86 = 62,036.20 : x
  2. Step 2: Convert to fraction form
    112,338.28/155,023.86 = 62,036.20/x
  3. Step 3: Cross multiply
    112,338.28x = 155,023.86 × 62,036.20
  4. Step 4: Simplify right side
    112,338.28x = 9,617,091,183.73
  5. Step 5: Solve for x
    x = 9,617,091,183.73/112,338.28
  6. Step 6: Final answer
    x = 85,608.32

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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.