Home / 134,841.88-186,083.76-74,415.34

Finding the Fourth Proportional to 134,841.88, 186,083.76 and 74,415.34

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Solution

The fourth proportional to 134,841.88, 186,083.76 and 74,415.34 is: 102,694.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,841.88 : 186,083.76 = 74,415.34 : x
  2. Step 2: Convert to fraction form
    134,841.88/186,083.76 = 74,415.34/x
  3. Step 3: Cross multiply
    134,841.88x = 186,083.76 × 74,415.34
  4. Step 4: Simplify right side
    134,841.88x = 13,847,486,268.88
  5. Step 5: Solve for x
    x = 13,847,486,268.88/134,841.88
  6. Step 6: Final answer
    x = 102,694.25

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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.