Home / 202,023.08-278,730.06-117,123.20

Finding the Fourth Proportional to 202,023.08, 278,730.06 and 117,123.20

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Solution

The fourth proportional to 202,023.08, 278,730.06 and 117,123.20 is: 161,594.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,023.08 : 278,730.06 = 117,123.20 : x
  2. Step 2: Convert to fraction form
    202,023.08/278,730.06 = 117,123.20/x
  3. Step 3: Cross multiply
    202,023.08x = 278,730.06 × 117,123.20
  4. Step 4: Simplify right side
    202,023.08x = 32,645,756,563.39
  5. Step 5: Solve for x
    x = 32,645,756,563.39/202,023.08
  6. Step 6: Final answer
    x = 161,594.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.