Home / 134,536.68-185,661.90-74,107.59

Finding the Fourth Proportional to 134,536.68, 185,661.90 and 74,107.59

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Solution

The fourth proportional to 134,536.68, 185,661.90 and 74,107.59 is: 102,269.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,536.68 : 185,661.90 = 74,107.59 : x
  2. Step 2: Convert to fraction form
    134,536.68/185,661.90 = 74,107.59/x
  3. Step 3: Cross multiply
    134,536.68x = 185,661.90 × 74,107.59
  4. Step 4: Simplify right side
    134,536.68x = 13,758,955,963.82
  5. Step 5: Solve for x
    x = 13,758,955,963.82/134,536.68
  6. Step 6: Final answer
    x = 102,269.18

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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.