Home / 197,560.42-272,633.40-106,916.42

Finding the Fourth Proportional to 197,560.42, 272,633.40 and 106,916.42

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Solution

The fourth proportional to 197,560.42, 272,633.40 and 106,916.42 is: 147,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,560.42 : 272,633.40 = 106,916.42 : x
  2. Step 2: Convert to fraction form
    197,560.42/272,633.40 = 106,916.42/x
  3. Step 3: Cross multiply
    197,560.42x = 272,633.40 × 106,916.42
  4. Step 4: Simplify right side
    197,560.42x = 29,148,987,100.43
  5. Step 5: Solve for x
    x = 29,148,987,100.43/197,560.42
  6. Step 6: Final answer
    x = 147,544.67

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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.