Home / 112,188.03-168,152.85-45,555

Finding the Fourth Proportional to 112,188.03, 168,152.85 and 45,555

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Solution

The fourth proportional to 112,188.03, 168,152.85 and 45,555 is: 68,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,188.03 : 168,152.85 = 45,555 : x
  2. Step 2: Convert to fraction form
    112,188.03/168,152.85 = 45,555/x
  3. Step 3: Cross multiply
    112,188.03x = 168,152.85 × 45,555
  4. Step 4: Simplify right side
    112,188.03x = 7,660,203,081.75
  5. Step 5: Solve for x
    x = 7,660,203,081.75/112,188.03
  6. Step 6: Final answer
    x = 68,280.04

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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.