Home / 197,557.19-272,628.90-106,913.15

Finding the Fourth Proportional to 197,557.19, 272,628.90 and 106,913.15

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Solution

The fourth proportional to 197,557.19, 272,628.90 and 106,913.15 is: 147,540.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,557.19 : 272,628.90 = 106,913.15 : x
  2. Step 2: Convert to fraction form
    197,557.19/272,628.90 = 106,913.15/x
  3. Step 3: Cross multiply
    197,557.19x = 272,628.90 × 106,913.15
  4. Step 4: Simplify right side
    197,557.19x = 29,147,614,480.04
  5. Step 5: Solve for x
    x = 29,147,614,480.04/197,557.19
  6. Step 6: Final answer
    x = 147,540.13

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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.