Home / 135,137.47-202,828.48-72,010.93

Finding the Fourth Proportional to 135,137.47, 202,828.48 and 72,010.93

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Solution

The fourth proportional to 135,137.47, 202,828.48 and 72,010.93 is: 108,081.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,137.47 : 202,828.48 = 72,010.93 : x
  2. Step 2: Convert to fraction form
    135,137.47/202,828.48 = 72,010.93/x
  3. Step 3: Cross multiply
    135,137.47x = 202,828.48 × 72,010.93
  4. Step 4: Simplify right side
    135,137.47x = 14,605,867,941.48
  5. Step 5: Solve for x
    x = 14,605,867,941.48/135,137.47
  6. Step 6: Final answer
    x = 108,081.55

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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.