Home / 60,128.94-90,194.45-17,999.22

Finding the Fourth Proportional to 60,128.94, 90,194.45 and 17,999.22

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Solution

The fourth proportional to 60,128.94, 90,194.45 and 17,999.22 is: 26,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,128.94 : 90,194.45 = 17,999.22 : x
  2. Step 2: Convert to fraction form
    60,128.94/90,194.45 = 17,999.22/x
  3. Step 3: Cross multiply
    60,128.94x = 90,194.45 × 17,999.22
  4. Step 4: Simplify right side
    60,128.94x = 1,623,429,658.33
  5. Step 5: Solve for x
    x = 1,623,429,658.33/60,128.94
  6. Step 6: Final answer
    x = 26,999.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.