Home / 78,224.07-117,339.75-22,820.07

Finding the Fourth Proportional to 78,224.07, 117,339.75 and 22,820.07

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Solution

The fourth proportional to 78,224.07, 117,339.75 and 22,820.07 is: 34,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,224.07 : 117,339.75 = 22,820.07 : x
  2. Step 2: Convert to fraction form
    78,224.07/117,339.75 = 22,820.07/x
  3. Step 3: Cross multiply
    78,224.07x = 117,339.75 × 22,820.07
  4. Step 4: Simplify right side
    78,224.07x = 2,677,701,308.78
  5. Step 5: Solve for x
    x = 2,677,701,308.78/78,224.07
  6. Step 6: Final answer
    x = 34,231.17

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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.