Home / 212,073.10-318,093.09-93,748.30

Finding the Fourth Proportional to 212,073.10, 318,093.09 and 93,748.30

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Solution

The fourth proportional to 212,073.10, 318,093.09 and 93,748.30 is: 140,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,073.10 : 318,093.09 = 93,748.30 : x
  2. Step 2: Convert to fraction form
    212,073.10/318,093.09 = 93,748.30/x
  3. Step 3: Cross multiply
    212,073.10x = 318,093.09 × 93,748.30
  4. Step 4: Simplify right side
    212,073.10x = 29,820,686,429.25
  5. Step 5: Solve for x
    x = 29,820,686,429.25/212,073.10
  6. Step 6: Final answer
    x = 140,615.13

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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.