Home / 212,938.48-319,469.28-63,182.08

Finding the Fourth Proportional to 212,938.48, 319,469.28 and 63,182.08

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Solution

The fourth proportional to 212,938.48, 319,469.28 and 63,182.08 is: 94,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,938.48 : 319,469.28 = 63,182.08 : x
  2. Step 2: Convert to fraction form
    212,938.48/319,469.28 = 63,182.08/x
  3. Step 3: Cross multiply
    212,938.48x = 319,469.28 × 63,182.08
  4. Step 4: Simplify right side
    212,938.48x = 20,184,733,606.50
  5. Step 5: Solve for x
    x = 20,184,733,606.50/212,938.48
  6. Step 6: Final answer
    x = 94,791.39

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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.