Home / 102,306.21-141,189.66-62,021.67

Finding the Fourth Proportional to 102,306.21, 141,189.66 and 62,021.67

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Solution

The fourth proportional to 102,306.21, 141,189.66 and 62,021.67 is: 85,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,306.21 : 141,189.66 = 62,021.67 : x
  2. Step 2: Convert to fraction form
    102,306.21/141,189.66 = 62,021.67/x
  3. Step 3: Cross multiply
    102,306.21x = 141,189.66 × 62,021.67
  4. Step 4: Simplify right side
    102,306.21x = 8,756,818,499.93
  5. Step 5: Solve for x
    x = 8,756,818,499.93/102,306.21
  6. Step 6: Final answer
    x = 85,594.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.