Home / 212,132.34-318,153.76-62,331.95

Finding the Fourth Proportional to 212,132.34, 318,153.76 and 62,331.95

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Solution

The fourth proportional to 212,132.34, 318,153.76 and 62,331.95 is: 93,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,132.34 : 318,153.76 = 62,331.95 : x
  2. Step 2: Convert to fraction form
    212,132.34/318,153.76 = 62,331.95/x
  3. Step 3: Cross multiply
    212,132.34x = 318,153.76 × 62,331.95
  4. Step 4: Simplify right side
    212,132.34x = 19,831,144,900.19
  5. Step 5: Solve for x
    x = 19,831,144,900.19/212,132.34
  6. Step 6: Final answer
    x = 93,484.78

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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.