Home / 158,048.94-218,109.26-86,427.42

Finding the Fourth Proportional to 158,048.94, 218,109.26 and 86,427.42

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Solution

The fourth proportional to 158,048.94, 218,109.26 and 86,427.42 is: 119,270.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,048.94 : 218,109.26 = 86,427.42 : x
  2. Step 2: Convert to fraction form
    158,048.94/218,109.26 = 86,427.42/x
  3. Step 3: Cross multiply
    158,048.94x = 218,109.26 × 86,427.42
  4. Step 4: Simplify right side
    158,048.94x = 18,850,620,758.78
  5. Step 5: Solve for x
    x = 18,850,620,758.78/158,048.94
  6. Step 6: Final answer
    x = 119,270.78

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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.