Home / 98,740.33-136,261.04-53,418.13

Finding the Fourth Proportional to 98,740.33, 136,261.04 and 53,418.13

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Solution

The fourth proportional to 98,740.33, 136,261.04 and 53,418.13 is: 73,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,740.33 : 136,261.04 = 53,418.13 : x
  2. Step 2: Convert to fraction form
    98,740.33/136,261.04 = 53,418.13/x
  3. Step 3: Cross multiply
    98,740.33x = 136,261.04 × 53,418.13
  4. Step 4: Simplify right side
    98,740.33x = 7,278,809,340.91
  5. Step 5: Solve for x
    x = 7,278,809,340.91/98,740.33
  6. Step 6: Final answer
    x = 73,716.68

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1.5x scale

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.