Home / 112,458.30-168,687.45-109,866.30

Finding the Fourth Proportional to 112,458.30, 168,687.45 and 109,866.30

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Solution

The fourth proportional to 112,458.30, 168,687.45 and 109,866.30 is: 164,799.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,458.30 : 168,687.45 = 109,866.30 : x
  2. Step 2: Convert to fraction form
    112,458.30/168,687.45 = 109,866.30/x
  3. Step 3: Cross multiply
    112,458.30x = 168,687.45 × 109,866.30
  4. Step 4: Simplify right side
    112,458.30x = 18,533,065,987.94
  5. Step 5: Solve for x
    x = 18,533,065,987.94/112,458.30
  6. Step 6: Final answer
    x = 164,799.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.