Home / 197,630.93-272,730.38-106,986.87

Finding the Fourth Proportional to 197,630.93, 272,730.38 and 106,986.87

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Solution

The fourth proportional to 197,630.93, 272,730.38 and 106,986.87 is: 147,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,630.93 : 272,730.38 = 106,986.87 : x
  2. Step 2: Convert to fraction form
    197,630.93/272,730.38 = 106,986.87/x
  3. Step 3: Cross multiply
    197,630.93x = 272,730.38 × 106,986.87
  4. Step 4: Simplify right side
    197,630.93x = 29,178,569,175.18
  5. Step 5: Solve for x
    x = 29,178,569,175.18/197,630.93
  6. Step 6: Final answer
    x = 147,641.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.