Home / 112,310.32-168,464.80-28,070.06

Finding the Fourth Proportional to 112,310.32, 168,464.80 and 28,070.06

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Solution

The fourth proportional to 112,310.32, 168,464.80 and 28,070.06 is: 42,104.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,310.32 : 168,464.80 = 28,070.06 : x
  2. Step 2: Convert to fraction form
    112,310.32/168,464.80 = 28,070.06/x
  3. Step 3: Cross multiply
    112,310.32x = 168,464.80 × 28,070.06
  4. Step 4: Simplify right side
    112,310.32x = 4,728,817,043.89
  5. Step 5: Solve for x
    x = 4,728,817,043.89/112,310.32
  6. Step 6: Final answer
    x = 42,104.92

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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.