Home / 113,345.37-169,784.64-66,485.25

Finding the Fourth Proportional to 113,345.37, 169,784.64 and 66,485.25

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Solution

The fourth proportional to 113,345.37, 169,784.64 and 66,485.25 is: 99,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,345.37 : 169,784.64 = 66,485.25 : x
  2. Step 2: Convert to fraction form
    113,345.37/169,784.64 = 66,485.25/x
  3. Step 3: Cross multiply
    113,345.37x = 169,784.64 × 66,485.25
  4. Step 4: Simplify right side
    113,345.37x = 11,288,174,236.56
  5. Step 5: Solve for x
    x = 11,288,174,236.56/113,345.37
  6. Step 6: Final answer
    x = 99,590.96

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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.