Home / 100,828.60-151,191.87-56,443.43

Finding the Fourth Proportional to 100,828.60, 151,191.87 and 56,443.43

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Solution

The fourth proportional to 100,828.60, 151,191.87 and 56,443.43 is: 84,636.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,828.60 : 151,191.87 = 56,443.43 : x
  2. Step 2: Convert to fraction form
    100,828.60/151,191.87 = 56,443.43/x
  3. Step 3: Cross multiply
    100,828.60x = 151,191.87 × 56,443.43
  4. Step 4: Simplify right side
    100,828.60x = 8,533,787,897.23
  5. Step 5: Solve for x
    x = 8,533,787,897.23/100,828.60
  6. Step 6: Final answer
    x = 84,636.58

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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.