Home / 90,853.54-136,325.13-40,968.34

Finding the Fourth Proportional to 90,853.54, 136,325.13 and 40,968.34

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Solution

The fourth proportional to 90,853.54, 136,325.13 and 40,968.34 is: 61,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,853.54 : 136,325.13 = 40,968.34 : x
  2. Step 2: Convert to fraction form
    90,853.54/136,325.13 = 40,968.34/x
  3. Step 3: Cross multiply
    90,853.54x = 136,325.13 × 40,968.34
  4. Step 4: Simplify right side
    90,853.54x = 5,585,014,276.38
  5. Step 5: Solve for x
    x = 5,585,014,276.38/90,853.54
  6. Step 6: Final answer
    x = 61,472.72

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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.