Home / 212,016.74-318,094.14-99,708.14

Finding the Fourth Proportional to 212,016.74, 318,094.14 and 99,708.14

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Solution

The fourth proportional to 212,016.74, 318,094.14 and 99,708.14 is: 149,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,016.74 : 318,094.14 = 99,708.14 : x
  2. Step 2: Convert to fraction form
    212,016.74/318,094.14 = 99,708.14/x
  3. Step 3: Cross multiply
    212,016.74x = 318,094.14 × 99,708.14
  4. Step 4: Simplify right side
    212,016.74x = 31,716,575,044.30
  5. Step 5: Solve for x
    x = 31,716,575,044.30/212,016.74
  6. Step 6: Final answer
    x = 149,594.67

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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.