Home / 117,245.08-161,798.40-63,530.56

Finding the Fourth Proportional to 117,245.08, 161,798.40 and 63,530.56

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Solution

The fourth proportional to 117,245.08, 161,798.40 and 63,530.56 is: 87,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,245.08 : 161,798.40 = 63,530.56 : x
  2. Step 2: Convert to fraction form
    117,245.08/161,798.40 = 63,530.56/x
  3. Step 3: Cross multiply
    117,245.08x = 161,798.40 × 63,530.56
  4. Step 4: Simplify right side
    117,245.08x = 10,279,142,959.10
  5. Step 5: Solve for x
    x = 10,279,142,959.10/117,245.08
  6. Step 6: Final answer
    x = 87,672.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.