Home / 216,923.72-299,320.26-121,434.44

Finding the Fourth Proportional to 216,923.72, 299,320.26 and 121,434.44

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Solution

The fourth proportional to 216,923.72, 299,320.26 and 121,434.44 is: 167,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,923.72 : 299,320.26 = 121,434.44 : x
  2. Step 2: Convert to fraction form
    216,923.72/299,320.26 = 121,434.44/x
  3. Step 3: Cross multiply
    216,923.72x = 299,320.26 × 121,434.44
  4. Step 4: Simplify right side
    216,923.72x = 36,347,788,153.75
  5. Step 5: Solve for x
    x = 36,347,788,153.75/216,923.72
  6. Step 6: Final answer
    x = 167,560.23

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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.