Home / 212,008.16-318,007.23-52,083.84

Finding the Fourth Proportional to 212,008.16, 318,007.23 and 52,083.84

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Solution

The fourth proportional to 212,008.16, 318,007.23 and 52,083.84 is: 78,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,008.16 : 318,007.23 = 52,083.84 : x
  2. Step 2: Convert to fraction form
    212,008.16/318,007.23 = 52,083.84/x
  3. Step 3: Cross multiply
    212,008.16x = 318,007.23 × 52,083.84
  4. Step 4: Simplify right side
    212,008.16x = 16,563,037,686.16
  5. Step 5: Solve for x
    x = 16,563,037,686.16/212,008.16
  6. Step 6: Final answer
    x = 78,124.53

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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.