Home / 155,585.27-214,710.42-91,922.93

Finding the Fourth Proportional to 155,585.27, 214,710.42 and 91,922.93

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Solution

The fourth proportional to 155,585.27, 214,710.42 and 91,922.93 is: 126,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,585.27 : 214,710.42 = 91,922.93 : x
  2. Step 2: Convert to fraction form
    155,585.27/214,710.42 = 91,922.93/x
  3. Step 3: Cross multiply
    155,585.27x = 214,710.42 × 91,922.93
  4. Step 4: Simplify right side
    155,585.27x = 19,736,810,907.93
  5. Step 5: Solve for x
    x = 19,736,810,907.93/155,585.27
  6. Step 6: Final answer
    x = 126,855.27

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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.