Home / 118,826.68-178,240.14-30,080.18

Finding the Fourth Proportional to 118,826.68, 178,240.14 and 30,080.18

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Solution

The fourth proportional to 118,826.68, 178,240.14 and 30,080.18 is: 45,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,826.68 : 178,240.14 = 30,080.18 : x
  2. Step 2: Convert to fraction form
    118,826.68/178,240.14 = 30,080.18/x
  3. Step 3: Cross multiply
    118,826.68x = 178,240.14 × 30,080.18
  4. Step 4: Simplify right side
    118,826.68x = 5,361,495,494.43
  5. Step 5: Solve for x
    x = 5,361,495,494.43/118,826.68
  6. Step 6: Final answer
    x = 45,120.30

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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.