Home / 212,784.40-319,176.60-94,467.70

Finding the Fourth Proportional to 212,784.40, 319,176.60 and 94,467.70

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Solution

The fourth proportional to 212,784.40, 319,176.60 and 94,467.70 is: 141,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,784.40 : 319,176.60 = 94,467.70 : x
  2. Step 2: Convert to fraction form
    212,784.40/319,176.60 = 94,467.70/x
  3. Step 3: Cross multiply
    212,784.40x = 319,176.60 × 94,467.70
  4. Step 4: Simplify right side
    212,784.40x = 30,151,879,295.82
  5. Step 5: Solve for x
    x = 30,151,879,295.82/212,784.40
  6. Step 6: Final answer
    x = 141,701.55

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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.