Home / 112,308.86-168,463.85-45,749.63

Finding the Fourth Proportional to 112,308.86, 168,463.85 and 45,749.63

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Solution

The fourth proportional to 112,308.86, 168,463.85 and 45,749.63 is: 68,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,308.86 : 168,463.85 = 45,749.63 : x
  2. Step 2: Convert to fraction form
    112,308.86/168,463.85 = 45,749.63/x
  3. Step 3: Cross multiply
    112,308.86x = 168,463.85 × 45,749.63
  4. Step 4: Simplify right side
    112,308.86x = 7,707,158,998.29
  5. Step 5: Solve for x
    x = 7,707,158,998.29/112,308.86
  6. Step 6: Final answer
    x = 68,624.67

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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.