Home / 212,947.10-293,719.74-172,662.56

Finding the Fourth Proportional to 212,947.10, 293,719.74 and 172,662.56

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Solution

The fourth proportional to 212,947.10, 293,719.74 and 172,662.56 is: 238,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,947.10 : 293,719.74 = 172,662.56 : x
  2. Step 2: Convert to fraction form
    212,947.10/293,719.74 = 172,662.56/x
  3. Step 3: Cross multiply
    212,947.10x = 293,719.74 × 172,662.56
  4. Step 4: Simplify right side
    212,947.10x = 50,714,402,230.93
  5. Step 5: Solve for x
    x = 50,714,402,230.93/212,947.10
  6. Step 6: Final answer
    x = 238,154.93

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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.