Home / 216,982.17-299,461.01-121,470.44

Finding the Fourth Proportional to 216,982.17, 299,461.01 and 121,470.44

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Solution

The fourth proportional to 216,982.17, 299,461.01 and 121,470.44 is: 167,643.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,982.17 : 299,461.01 = 121,470.44 : x
  2. Step 2: Convert to fraction form
    216,982.17/299,461.01 = 121,470.44/x
  3. Step 3: Cross multiply
    216,982.17x = 299,461.01 × 121,470.44
  4. Step 4: Simplify right side
    216,982.17x = 36,375,658,542.89
  5. Step 5: Solve for x
    x = 36,375,658,542.89/216,982.17
  6. Step 6: Final answer
    x = 167,643.54

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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.