Home / 112,318.82-168,477.55-28,078.58

Finding the Fourth Proportional to 112,318.82, 168,477.55 and 28,078.58

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Solution

The fourth proportional to 112,318.82, 168,477.55 and 28,078.58 is: 42,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,318.82 : 168,477.55 = 28,078.58 : x
  2. Step 2: Convert to fraction form
    112,318.82/168,477.55 = 28,078.58/x
  3. Step 3: Cross multiply
    112,318.82x = 168,477.55 × 28,078.58
  4. Step 4: Simplify right side
    112,318.82x = 4,730,610,365.88
  5. Step 5: Solve for x
    x = 4,730,610,365.88/112,318.82
  6. Step 6: Final answer
    x = 42,117.70

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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.