Home / 158,280.90-218,448.43-90,282.26

Finding the Fourth Proportional to 158,280.90, 218,448.43 and 90,282.26

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Solution

The fourth proportional to 158,280.90, 218,448.43 and 90,282.26 is: 124,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,280.90 : 218,448.43 = 90,282.26 : x
  2. Step 2: Convert to fraction form
    158,280.90/218,448.43 = 90,282.26/x
  3. Step 3: Cross multiply
    158,280.90x = 218,448.43 × 90,282.26
  4. Step 4: Simplify right side
    158,280.90x = 19,722,017,953.85
  5. Step 5: Solve for x
    x = 19,722,017,953.85/158,280.90
  6. Step 6: Final answer
    x = 124,601.38

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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.