Home / 197,283.08-272,251.85-106,638.81

Finding the Fourth Proportional to 197,283.08, 272,251.85 and 106,638.81

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Solution

The fourth proportional to 197,283.08, 272,251.85 and 106,638.81 is: 147,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,283.08 : 272,251.85 = 106,638.81 : x
  2. Step 2: Convert to fraction form
    197,283.08/272,251.85 = 106,638.81/x
  3. Step 3: Cross multiply
    197,283.08x = 272,251.85 × 106,638.81
  4. Step 4: Simplify right side
    197,283.08x = 29,032,612,771.10
  5. Step 5: Solve for x
    x = 29,032,612,771.10/197,283.08
  6. Step 6: Final answer
    x = 147,162.21

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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.