Home / 165,341.38-248,113.59-131,406.66

Finding the Fourth Proportional to 165,341.38, 248,113.59 and 131,406.66

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Solution

The fourth proportional to 165,341.38, 248,113.59 and 131,406.66 is: 197,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,341.38 : 248,113.59 = 131,406.66 : x
  2. Step 2: Convert to fraction form
    165,341.38/248,113.59 = 131,406.66/x
  3. Step 3: Cross multiply
    165,341.38x = 248,113.59 × 131,406.66
  4. Step 4: Simplify right side
    165,341.38x = 32,603,778,162.51
  5. Step 5: Solve for x
    x = 32,603,778,162.51/165,341.38
  6. Step 6: Final answer
    x = 197,190.67

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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.