Home / 211,322.88-317,159.36-106,172.16

Finding the Fourth Proportional to 211,322.88, 317,159.36 and 106,172.16

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Solution

The fourth proportional to 211,322.88, 317,159.36 and 106,172.16 is: 159,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,322.88 : 317,159.36 = 106,172.16 : x
  2. Step 2: Convert to fraction form
    211,322.88/317,159.36 = 106,172.16/x
  3. Step 3: Cross multiply
    211,322.88x = 317,159.36 × 106,172.16
  4. Step 4: Simplify right side
    211,322.88x = 33,673,494,315.42
  5. Step 5: Solve for x
    x = 33,673,494,315.42/211,322.88
  6. Step 6: Final answer
    x = 159,346.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.