Home / 197,315.70-295,973.55-72,705.30

Finding the Fourth Proportional to 197,315.70, 295,973.55 and 72,705.30

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Solution

The fourth proportional to 197,315.70, 295,973.55 and 72,705.30 is: 109,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315.70 : 295,973.55 = 72,705.30 : x
  2. Step 2: Convert to fraction form
    197,315.70/295,973.55 = 72,705.30/x
  3. Step 3: Cross multiply
    197,315.70x = 295,973.55 × 72,705.30
  4. Step 4: Simplify right side
    197,315.70x = 21,518,845,744.82
  5. Step 5: Solve for x
    x = 21,518,845,744.82/197,315.70
  6. Step 6: Final answer
    x = 109,057.95

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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.