Home / 248,722.20-373,040.10-90,869.40

Finding the Fourth Proportional to 248,722.20, 373,040.10 and 90,869.40

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Solution

The fourth proportional to 248,722.20, 373,040.10 and 90,869.40 is: 136,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,722.20 : 373,040.10 = 90,869.40 : x
  2. Step 2: Convert to fraction form
    248,722.20/373,040.10 = 90,869.40/x
  3. Step 3: Cross multiply
    248,722.20x = 373,040.10 × 90,869.40
  4. Step 4: Simplify right side
    248,722.20x = 33,897,930,062.94
  5. Step 5: Solve for x
    x = 33,897,930,062.94/248,722.20
  6. Step 6: Final answer
    x = 136,288.32

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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.