Home / 112,477.44-168,711.96-28,238.16

Finding the Fourth Proportional to 112,477.44, 168,711.96 and 28,238.16

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Solution

The fourth proportional to 112,477.44, 168,711.96 and 28,238.16 is: 42,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,477.44 : 168,711.96 = 28,238.16 : x
  2. Step 2: Convert to fraction form
    112,477.44/168,711.96 = 28,238.16/x
  3. Step 3: Cross multiply
    112,477.44x = 168,711.96 × 28,238.16
  4. Step 4: Simplify right side
    112,477.44x = 4,764,115,320.39
  5. Step 5: Solve for x
    x = 4,764,115,320.39/112,477.44
  6. Step 6: Final answer
    x = 42,356.19

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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.