Home / 158,281.14-218,448.82-90,282.54

Finding the Fourth Proportional to 158,281.14, 218,448.82 and 90,282.54

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Solution

The fourth proportional to 158,281.14, 218,448.82 and 90,282.54 is: 124,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,281.14 : 218,448.82 = 90,282.54 : x
  2. Step 2: Convert to fraction form
    158,281.14/218,448.82 = 90,282.54/x
  3. Step 3: Cross multiply
    158,281.14x = 218,448.82 × 90,282.54
  4. Step 4: Simplify right side
    158,281.14x = 19,722,114,329.60
  5. Step 5: Solve for x
    x = 19,722,114,329.60/158,281.14
  6. Step 6: Final answer
    x = 124,601.80

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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.