Home / 112,750.86-169,004.03-56,455.26

Finding the Fourth Proportional to 112,750.86, 169,004.03 and 56,455.26

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Solution

The fourth proportional to 112,750.86, 169,004.03 and 56,455.26 is: 84,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,750.86 : 169,004.03 = 56,455.26 : x
  2. Step 2: Convert to fraction form
    112,750.86/169,004.03 = 56,455.26/x
  3. Step 3: Cross multiply
    112,750.86x = 169,004.03 × 56,455.26
  4. Step 4: Simplify right side
    112,750.86x = 9,541,165,609.68
  5. Step 5: Solve for x
    x = 9,541,165,609.68/112,750.86
  6. Step 6: Final answer
    x = 84,621.67

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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.