Home / 142,469.96-197,507.63-134,885.93

Finding the Fourth Proportional to 142,469.96, 197,507.63 and 134,885.93

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Solution

The fourth proportional to 142,469.96, 197,507.63 and 134,885.93 is: 186,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,469.96 : 197,507.63 = 134,885.93 : x
  2. Step 2: Convert to fraction form
    142,469.96/197,507.63 = 134,885.93/x
  3. Step 3: Cross multiply
    142,469.96x = 197,507.63 × 134,885.93
  4. Step 4: Simplify right side
    142,469.96x = 26,640,998,692.68
  5. Step 5: Solve for x
    x = 26,640,998,692.68/142,469.96
  6. Step 6: Final answer
    x = 186,993.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.