Home / 216,727.93-299,085.65-121,234.60

Finding the Fourth Proportional to 216,727.93, 299,085.65 and 121,234.60

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Solution

The fourth proportional to 216,727.93, 299,085.65 and 121,234.60 is: 167,304.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,727.93 : 299,085.65 = 121,234.60 : x
  2. Step 2: Convert to fraction form
    216,727.93/299,085.65 = 121,234.60/x
  3. Step 3: Cross multiply
    216,727.93x = 299,085.65 × 121,234.60
  4. Step 4: Simplify right side
    216,727.93x = 36,259,529,143.49
  5. Step 5: Solve for x
    x = 36,259,529,143.49/216,727.93
  6. Step 6: Final answer
    x = 167,304.37

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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.