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Finding the Fourth Proportional to 112,010.10, 168,015.15 and 28,904.10

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Solution

The fourth proportional to 112,010.10, 168,015.15 and 28,904.10 is: 43,356.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,010.10 : 168,015.15 = 28,904.10 : x
  2. Step 2: Convert to fraction form
    112,010.10/168,015.15 = 28,904.10/x
  3. Step 3: Cross multiply
    112,010.10x = 168,015.15 × 28,904.10
  4. Step 4: Simplify right side
    112,010.10x = 4,856,326,697.12
  5. Step 5: Solve for x
    x = 4,856,326,697.12/112,010.10
  6. Step 6: Final answer
    x = 43,356.15

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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.