Home / 90,749.19-136,108.38-24,196.35

Finding the Fourth Proportional to 90,749.19, 136,108.38 and 24,196.35

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Solution

The fourth proportional to 90,749.19, 136,108.38 and 24,196.35 is: 36,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,749.19 : 136,108.38 = 24,196.35 : x
  2. Step 2: Convert to fraction form
    90,749.19/136,108.38 = 24,196.35/x
  3. Step 3: Cross multiply
    90,749.19x = 136,108.38 × 24,196.35
  4. Step 4: Simplify right side
    90,749.19x = 3,293,326,000.41
  5. Step 5: Solve for x
    x = 3,293,326,000.41/90,749.19
  6. Step 6: Final answer
    x = 36,290.42

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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.