Home / 90,867.84-136,255.97-52,929.32

Finding the Fourth Proportional to 90,867.84, 136,255.97 and 52,929.32

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Solution

The fourth proportional to 90,867.84, 136,255.97 and 52,929.32 is: 79,367.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,867.84 : 136,255.97 = 52,929.32 : x
  2. Step 2: Convert to fraction form
    90,867.84/136,255.97 = 52,929.32/x
  3. Step 3: Cross multiply
    90,867.84x = 136,255.97 × 52,929.32
  4. Step 4: Simplify right side
    90,867.84x = 7,211,934,892.11
  5. Step 5: Solve for x
    x = 7,211,934,892.11/90,867.84
  6. Step 6: Final answer
    x = 79,367.30

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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.