Home / 216,101.43-297,863.04-144,455.31

Finding the Fourth Proportional to 216,101.43, 297,863.04 and 144,455.31

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Solution

The fourth proportional to 216,101.43, 297,863.04 and 144,455.31 is: 199,109.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,101.43 : 297,863.04 = 144,455.31 : x
  2. Step 2: Convert to fraction form
    216,101.43/297,863.04 = 144,455.31/x
  3. Step 3: Cross multiply
    216,101.43x = 297,863.04 × 144,455.31
  4. Step 4: Simplify right side
    216,101.43x = 43,027,897,780.74
  5. Step 5: Solve for x
    x = 43,027,897,780.74/216,101.43
  6. Step 6: Final answer
    x = 199,109.73

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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.