Home / 212,637.24-319,153.50-107,531.64

Finding the Fourth Proportional to 212,637.24, 319,153.50 and 107,531.64

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Solution

The fourth proportional to 212,637.24, 319,153.50 and 107,531.64 is: 161,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,637.24 : 319,153.50 = 107,531.64 : x
  2. Step 2: Convert to fraction form
    212,637.24/319,153.50 = 107,531.64/x
  3. Step 3: Cross multiply
    212,637.24x = 319,153.50 × 107,531.64
  4. Step 4: Simplify right side
    212,637.24x = 34,319,099,266.74
  5. Step 5: Solve for x
    x = 34,319,099,266.74/212,637.24
  6. Step 6: Final answer
    x = 161,397.41

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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.