Home / 102,027.40-153,056.94-52,080.47

Finding the Fourth Proportional to 102,027.40, 153,056.94 and 52,080.47

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Solution

The fourth proportional to 102,027.40, 153,056.94 and 52,080.47 is: 78,128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,027.40 : 153,056.94 = 52,080.47 : x
  2. Step 2: Convert to fraction form
    102,027.40/153,056.94 = 52,080.47/x
  3. Step 3: Cross multiply
    102,027.40x = 153,056.94 × 52,080.47
  4. Step 4: Simplify right side
    102,027.40x = 7,971,277,371.96
  5. Step 5: Solve for x
    x = 7,971,277,371.96/102,027.40
  6. Step 6: Final answer
    x = 78,128.79

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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.