Home / 212,816.21-293,688.34-117,326.32

Finding the Fourth Proportional to 212,816.21, 293,688.34 and 117,326.32

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Solution

The fourth proportional to 212,816.21, 293,688.34 and 117,326.32 is: 161,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,816.21 : 293,688.34 = 117,326.32 : x
  2. Step 2: Convert to fraction form
    212,816.21/293,688.34 = 117,326.32/x
  3. Step 3: Cross multiply
    212,816.21x = 293,688.34 × 117,326.32
  4. Step 4: Simplify right side
    212,816.21x = 34,457,371,131.57
  5. Step 5: Solve for x
    x = 34,457,371,131.57/212,816.21
  6. Step 6: Final answer
    x = 161,911.41

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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.