Home / 197,139.10-295,708.65-165,646.30

Finding the Fourth Proportional to 197,139.10, 295,708.65 and 165,646.30

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Solution

The fourth proportional to 197,139.10, 295,708.65 and 165,646.30 is: 248,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,139.10 : 295,708.65 = 165,646.30 : x
  2. Step 2: Convert to fraction form
    197,139.10/295,708.65 = 165,646.30/x
  3. Step 3: Cross multiply
    197,139.10x = 295,708.65 × 165,646.30
  4. Step 4: Simplify right side
    197,139.10x = 48,983,043,750.50
  5. Step 5: Solve for x
    x = 48,983,043,750.50/197,139.10
  6. Step 6: Final answer
    x = 248,469.45

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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.