Home / 112,356.96-168,536.25-28,118.58

Finding the Fourth Proportional to 112,356.96, 168,536.25 and 28,118.58

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Solution

The fourth proportional to 112,356.96, 168,536.25 and 28,118.58 is: 42,178.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,356.96 : 168,536.25 = 28,118.58 : x
  2. Step 2: Convert to fraction form
    112,356.96/168,536.25 = 28,118.58/x
  3. Step 3: Cross multiply
    112,356.96x = 168,536.25 × 28,118.58
  4. Step 4: Simplify right side
    112,356.96x = 4,739,000,028.53
  5. Step 5: Solve for x
    x = 4,739,000,028.53/112,356.96
  6. Step 6: Final answer
    x = 42,178.07

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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.