Home / 197,377.58-295,639.90-103,686.50

Finding the Fourth Proportional to 197,377.58, 295,639.90 and 103,686.50

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Solution

The fourth proportional to 197,377.58, 295,639.90 and 103,686.50 is: 155,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,377.58 : 295,639.90 = 103,686.50 : x
  2. Step 2: Convert to fraction form
    197,377.58/295,639.90 = 103,686.50/x
  3. Step 3: Cross multiply
    197,377.58x = 295,639.90 × 103,686.50
  4. Step 4: Simplify right side
    197,377.58x = 30,653,866,491.35
  5. Step 5: Solve for x
    x = 30,653,866,491.35/197,377.58
  6. Step 6: Final answer
    x = 155,305.72

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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.