Home / 144,004.50-198,762.66-85,923.72

Finding the Fourth Proportional to 144,004.50, 198,762.66 and 85,923.72

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Solution

The fourth proportional to 144,004.50, 198,762.66 and 85,923.72 is: 118,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,004.50 : 198,762.66 = 85,923.72 : x
  2. Step 2: Convert to fraction form
    144,004.50/198,762.66 = 85,923.72/x
  3. Step 3: Cross multiply
    144,004.50x = 198,762.66 × 85,923.72
  4. Step 4: Simplify right side
    144,004.50x = 17,078,427,144.30
  5. Step 5: Solve for x
    x = 17,078,427,144.30/144,004.50
  6. Step 6: Final answer
    x = 118,596.48

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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.