Home / 197,364.80-272,363.23-106,720.55

Finding the Fourth Proportional to 197,364.80, 272,363.23 and 106,720.55

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Solution

The fourth proportional to 197,364.80, 272,363.23 and 106,720.55 is: 147,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,364.80 : 272,363.23 = 106,720.55 : x
  2. Step 2: Convert to fraction form
    197,364.80/272,363.23 = 106,720.55/x
  3. Step 3: Cross multiply
    197,364.80x = 272,363.23 × 106,720.55
  4. Step 4: Simplify right side
    197,364.80x = 29,066,753,142.93
  5. Step 5: Solve for x
    x = 29,066,753,142.93/197,364.80
  6. Step 6: Final answer
    x = 147,274.25

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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.