Home / 78,307.20-117,479.04-22,907.52

Finding the Fourth Proportional to 78,307.20, 117,479.04 and 22,907.52

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Solution

The fourth proportional to 78,307.20, 117,479.04 and 22,907.52 is: 34,366.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,307.20 : 117,479.04 = 22,907.52 : x
  2. Step 2: Convert to fraction form
    78,307.20/117,479.04 = 22,907.52/x
  3. Step 3: Cross multiply
    78,307.20x = 117,479.04 × 22,907.52
  4. Step 4: Simplify right side
    78,307.20x = 2,691,153,458.38
  5. Step 5: Solve for x
    x = 2,691,153,458.38/78,307.20
  6. Step 6: Final answer
    x = 34,366.62

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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.