Home / 197,097.40-295,646.10-72,422.20

Finding the Fourth Proportional to 197,097.40, 295,646.10 and 72,422.20

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Solution

The fourth proportional to 197,097.40, 295,646.10 and 72,422.20 is: 108,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,097.40 : 295,646.10 = 72,422.20 : x
  2. Step 2: Convert to fraction form
    197,097.40/295,646.10 = 72,422.20/x
  3. Step 3: Cross multiply
    197,097.40x = 295,646.10 × 72,422.20
  4. Step 4: Simplify right side
    197,097.40x = 21,411,340,983.42
  5. Step 5: Solve for x
    x = 21,411,340,983.42/197,097.40
  6. Step 6: Final answer
    x = 108,633.30

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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.