Home / 217,374.17-299,993.75-120,587.58

Finding the Fourth Proportional to 217,374.17, 299,993.75 and 120,587.58

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Solution

The fourth proportional to 217,374.17, 299,993.75 and 120,587.58 is: 166,420.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,374.17 : 299,993.75 = 120,587.58 : x
  2. Step 2: Convert to fraction form
    217,374.17/299,993.75 = 120,587.58/x
  3. Step 3: Cross multiply
    217,374.17x = 299,993.75 × 120,587.58
  4. Step 4: Simplify right side
    217,374.17x = 36,175,520,629.09
  5. Step 5: Solve for x
    x = 36,175,520,629.09/217,374.17
  6. Step 6: Final answer
    x = 166,420.51

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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.