Home / 134,667.36-185,839.80-74,238.12

Finding the Fourth Proportional to 134,667.36, 185,839.80 and 74,238.12

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Solution

The fourth proportional to 134,667.36, 185,839.80 and 74,238.12 is: 102,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,667.36 : 185,839.80 = 74,238.12 : x
  2. Step 2: Convert to fraction form
    134,667.36/185,839.80 = 74,238.12/x
  3. Step 3: Cross multiply
    134,667.36x = 185,839.80 × 74,238.12
  4. Step 4: Simplify right side
    134,667.36x = 13,796,397,373.18
  5. Step 5: Solve for x
    x = 13,796,397,373.18/134,667.36
  6. Step 6: Final answer
    x = 102,447.97

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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.