Home / 142,469.95-197,507.63-134,885.92

Finding the Fourth Proportional to 142,469.95, 197,507.63 and 134,885.92

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Solution

The fourth proportional to 142,469.95, 197,507.63 and 134,885.92 is: 186,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,469.95 : 197,507.63 = 134,885.92 : x
  2. Step 2: Convert to fraction form
    142,469.95/197,507.63 = 134,885.92/x
  3. Step 3: Cross multiply
    142,469.95x = 197,507.63 × 134,885.92
  4. Step 4: Simplify right side
    142,469.95x = 26,640,997,211.37
  5. Step 5: Solve for x
    x = 26,640,997,211.37/142,469.95
  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.