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Finding the Fourth Proportional to 102,550.90, 153,826.35 and 102,550.90

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Solution

The fourth proportional to 102,550.90, 153,826.35 and 102,550.90 is: 153,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,550.90 : 153,826.35 = 102,550.90 : x
  2. Step 2: Convert to fraction form
    102,550.90/153,826.35 = 102,550.90/x
  3. Step 3: Cross multiply
    102,550.90x = 153,826.35 × 102,550.90
  4. Step 4: Simplify right side
    102,550.90x = 15,775,030,636.22
  5. Step 5: Solve for x
    x = 15,775,030,636.22/102,550.90
  6. Step 6: Final answer
    x = 153,826.35

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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.