Home / 212,158.09-318,192.31-62,357.64

Finding the Fourth Proportional to 212,158.09, 318,192.31 and 62,357.64

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Solution

The fourth proportional to 212,158.09, 318,192.31 and 62,357.64 is: 93,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,158.09 : 318,192.31 = 62,357.64 : x
  2. Step 2: Convert to fraction form
    212,158.09/318,192.31 = 62,357.64/x
  3. Step 3: Cross multiply
    212,158.09x = 318,192.31 × 62,357.64
  4. Step 4: Simplify right side
    212,158.09x = 19,841,721,517.75
  5. Step 5: Solve for x
    x = 19,841,721,517.75/212,158.09
  6. Step 6: Final answer
    x = 93,523.29

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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.