Home / 222,746.31-307,389.74-120,775.15

Finding the Fourth Proportional to 222,746.31, 307,389.74 and 120,775.15

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Solution

The fourth proportional to 222,746.31, 307,389.74 and 120,775.15 is: 166,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,746.31 : 307,389.74 = 120,775.15 : x
  2. Step 2: Convert to fraction form
    222,746.31/307,389.74 = 120,775.15/x
  3. Step 3: Cross multiply
    222,746.31x = 307,389.74 × 120,775.15
  4. Step 4: Simplify right side
    222,746.31x = 37,125,041,353.09
  5. Step 5: Solve for x
    x = 37,125,041,353.09/222,746.31
  6. Step 6: Final answer
    x = 166,669.62

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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.