Home / 94,047.45-141,908.97-90,402.09

Finding the Fourth Proportional to 94,047.45, 141,908.97 and 90,402.09

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Solution

The fourth proportional to 94,047.45, 141,908.97 and 90,402.09 is: 136,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,047.45 : 141,908.97 = 90,402.09 : x
  2. Step 2: Convert to fraction form
    94,047.45/141,908.97 = 90,402.09/x
  3. Step 3: Cross multiply
    94,047.45x = 141,908.97 × 90,402.09
  4. Step 4: Simplify right side
    94,047.45x = 12,828,867,477.75
  5. Step 5: Solve for x
    x = 12,828,867,477.75/94,047.45
  6. Step 6: Final answer
    x = 136,408.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.