Home / 112,113.21-168,214.62-45,558.55

Finding the Fourth Proportional to 112,113.21, 168,214.62 and 45,558.55

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Solution

The fourth proportional to 112,113.21, 168,214.62 and 45,558.55 is: 68,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,113.21 : 168,214.62 = 45,558.55 : x
  2. Step 2: Convert to fraction form
    112,113.21/168,214.62 = 45,558.55/x
  3. Step 3: Cross multiply
    112,113.21x = 168,214.62 × 45,558.55
  4. Step 4: Simplify right side
    112,113.21x = 7,663,614,557.11
  5. Step 5: Solve for x
    x = 7,663,614,557.11/112,113.21
  6. Step 6: Final answer
    x = 68,356.03

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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.