Home / 98,740.83-136,261.73-53,418.63

Finding the Fourth Proportional to 98,740.83, 136,261.73 and 53,418.63

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Solution

The fourth proportional to 98,740.83, 136,261.73 and 53,418.63 is: 73,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.83 : 136,261.73 = 53,418.63 : x
  2. Step 2: Convert to fraction form
    98,740.83/136,261.73 = 53,418.63/x
  3. Step 3: Cross multiply
    98,740.83x = 136,261.73 × 53,418.63
  4. Step 4: Simplify right side
    98,740.83x = 7,278,914,670.94
  5. Step 5: Solve for x
    x = 7,278,914,670.94/98,740.83
  6. Step 6: Final answer
    x = 73,717.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.