Home / 102,540.64-153,810-32,419.96

Finding the Fourth Proportional to 102,540.64, 153,810 and 32,419.96

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Solution

The fourth proportional to 102,540.64, 153,810 and 32,419.96 is: 48,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,540.64 : 153,810 = 32,419.96 : x
  2. Step 2: Convert to fraction form
    102,540.64/153,810 = 32,419.96/x
  3. Step 3: Cross multiply
    102,540.64x = 153,810 × 32,419.96
  4. Step 4: Simplify right side
    102,540.64x = 4,986,514,047.60
  5. Step 5: Solve for x
    x = 4,986,514,047.60/102,540.64
  6. Step 6: Final answer
    x = 48,629.64

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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.