Home / 112,480.20-155,219.85-61,493.10

Finding the Fourth Proportional to 112,480.20, 155,219.85 and 61,493.10

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Solution

The fourth proportional to 112,480.20, 155,219.85 and 61,493.10 is: 84,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,480.20 : 155,219.85 = 61,493.10 : x
  2. Step 2: Convert to fraction form
    112,480.20/155,219.85 = 61,493.10/x
  3. Step 3: Cross multiply
    112,480.20x = 155,219.85 × 61,493.10
  4. Step 4: Simplify right side
    112,480.20x = 9,544,949,758.04
  5. Step 5: Solve for x
    x = 9,544,949,758.04/112,480.20
  6. Step 6: Final answer
    x = 84,858.93

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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.