Home / 90,960.38-136,274.32-65,938.37

Finding the Fourth Proportional to 90,960.38, 136,274.32 and 65,938.37

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Solution

The fourth proportional to 90,960.38, 136,274.32 and 65,938.37 is: 98,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960.38 : 136,274.32 = 65,938.37 : x
  2. Step 2: Convert to fraction form
    90,960.38/136,274.32 = 65,938.37/x
  3. Step 3: Cross multiply
    90,960.38x = 136,274.32 × 65,938.37
  4. Step 4: Simplify right side
    90,960.38x = 8,985,705,934.71
  5. Step 5: Solve for x
    x = 8,985,705,934.71/90,960.38
  6. Step 6: Final answer
    x = 98,787.03

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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.