Home / 78,200.43-117,307.55-22,041.01

Finding the Fourth Proportional to 78,200.43, 117,307.55 and 22,041.01

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Solution

The fourth proportional to 78,200.43, 117,307.55 and 22,041.01 is: 33,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,200.43 : 117,307.55 = 22,041.01 : x
  2. Step 2: Convert to fraction form
    78,200.43/117,307.55 = 22,041.01/x
  3. Step 3: Cross multiply
    78,200.43x = 117,307.55 × 22,041.01
  4. Step 4: Simplify right side
    78,200.43x = 2,585,576,882.63
  5. Step 5: Solve for x
    x = 2,585,576,882.63/78,200.43
  6. Step 6: Final answer
    x = 33,063.46

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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.