Home / 112,405.48-168,604.32-28,166.38

Finding the Fourth Proportional to 112,405.48, 168,604.32 and 28,166.38

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Solution

The fourth proportional to 112,405.48, 168,604.32 and 28,166.38 is: 42,248.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,405.48 : 168,604.32 = 28,166.38 : x
  2. Step 2: Convert to fraction form
    112,405.48/168,604.32 = 28,166.38/x
  3. Step 3: Cross multiply
    112,405.48x = 168,604.32 × 28,166.38
  4. Step 4: Simplify right side
    112,405.48x = 4,748,973,346.76
  5. Step 5: Solve for x
    x = 4,748,973,346.76/112,405.48
  6. Step 6: Final answer
    x = 42,248.59

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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.