Home / 90,102.17-135,151.44-26,922.48

Finding the Fourth Proportional to 90,102.17, 135,151.44 and 26,922.48

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Solution

The fourth proportional to 90,102.17, 135,151.44 and 26,922.48 is: 40,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,102.17 : 135,151.44 = 26,922.48 : x
  2. Step 2: Convert to fraction form
    90,102.17/135,151.44 = 26,922.48/x
  3. Step 3: Cross multiply
    90,102.17x = 135,151.44 × 26,922.48
  4. Step 4: Simplify right side
    90,102.17x = 3,638,611,332.59
  5. Step 5: Solve for x
    x = 3,638,611,332.59/90,102.17
  6. Step 6: Final answer
    x = 40,383.17

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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.