Home / 90,189.41-124,460.82-49,902.44

Finding the Fourth Proportional to 90,189.41, 124,460.82 and 49,902.44

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Solution

The fourth proportional to 90,189.41, 124,460.82 and 49,902.44 is: 68,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,189.41 : 124,460.82 = 49,902.44 : x
  2. Step 2: Convert to fraction form
    90,189.41/124,460.82 = 49,902.44/x
  3. Step 3: Cross multiply
    90,189.41x = 124,460.82 × 49,902.44
  4. Step 4: Simplify right side
    90,189.41x = 6,210,897,980.10
  5. Step 5: Solve for x
    x = 6,210,897,980.10/90,189.41
  6. Step 6: Final answer
    x = 68,865.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.