Home / 102,143.52-153,214.77-26,241.98

Finding the Fourth Proportional to 102,143.52, 153,214.77 and 26,241.98

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Solution

The fourth proportional to 102,143.52, 153,214.77 and 26,241.98 is: 39,362.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,143.52 : 153,214.77 = 26,241.98 : x
  2. Step 2: Convert to fraction form
    102,143.52/153,214.77 = 26,241.98/x
  3. Step 3: Cross multiply
    102,143.52x = 153,214.77 × 26,241.98
  4. Step 4: Simplify right side
    102,143.52x = 4,020,658,293.32
  5. Step 5: Solve for x
    x = 4,020,658,293.32/102,143.52
  6. Step 6: Final answer
    x = 39,362.83

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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.