Home / 109,263.21-163,851.73-53,086.67

Finding the Fourth Proportional to 109,263.21, 163,851.73 and 53,086.67

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Solution

The fourth proportional to 109,263.21, 163,851.73 and 53,086.67 is: 79,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,263.21 : 163,851.73 = 53,086.67 : x
  2. Step 2: Convert to fraction form
    109,263.21/163,851.73 = 53,086.67/x
  3. Step 3: Cross multiply
    109,263.21x = 163,851.73 × 53,086.67
  4. Step 4: Simplify right side
    109,263.21x = 8,698,342,381.91
  5. Step 5: Solve for x
    x = 8,698,342,381.91/109,263.21
  6. Step 6: Final answer
    x = 79,609.07

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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.