Home / 212,183.45-292,807.31-116,690.15

Finding the Fourth Proportional to 212,183.45, 292,807.31 and 116,690.15

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Solution

The fourth proportional to 212,183.45, 292,807.31 and 116,690.15 is: 161,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,183.45 : 292,807.31 = 116,690.15 : x
  2. Step 2: Convert to fraction form
    212,183.45/292,807.31 = 116,690.15/x
  3. Step 3: Cross multiply
    212,183.45x = 292,807.31 × 116,690.15
  4. Step 4: Simplify right side
    212,183.45x = 34,167,726,877.51
  5. Step 5: Solve for x
    x = 34,167,726,877.51/212,183.45
  6. Step 6: Final answer
    x = 161,029.18

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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.