Home / 102,103.36-152,999.11-42,906.67

Finding the Fourth Proportional to 102,103.36, 152,999.11 and 42,906.67

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Solution

The fourth proportional to 102,103.36, 152,999.11 and 42,906.67 is: 64,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,103.36 : 152,999.11 = 42,906.67 : x
  2. Step 2: Convert to fraction form
    102,103.36/152,999.11 = 42,906.67/x
  3. Step 3: Cross multiply
    102,103.36x = 152,999.11 × 42,906.67
  4. Step 4: Simplify right side
    102,103.36x = 6,564,682,323.06
  5. Step 5: Solve for x
    x = 6,564,682,323.06/102,103.36
  6. Step 6: Final answer
    x = 64,294.48

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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.