Home / 197,106.60-295,595.10-72,431.40

Finding the Fourth Proportional to 197,106.60, 295,595.10 and 72,431.40

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Solution

The fourth proportional to 197,106.60, 295,595.10 and 72,431.40 is: 108,623.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,106.60 : 295,595.10 = 72,431.40 : x
  2. Step 2: Convert to fraction form
    197,106.60/295,595.10 = 72,431.40/x
  3. Step 3: Cross multiply
    197,106.60x = 295,595.10 × 72,431.40
  4. Step 4: Simplify right side
    197,106.60x = 21,410,366,926.14
  5. Step 5: Solve for x
    x = 21,410,366,926.14/197,106.60
  6. Step 6: Final answer
    x = 108,623.29

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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.