Home / 211,606.24-317,400.72-86,944

Finding the Fourth Proportional to 211,606.24, 317,400.72 and 86,944

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Solution

The fourth proportional to 211,606.24, 317,400.72 and 86,944 is: 130,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,606.24 : 317,400.72 = 86,944 : x
  2. Step 2: Convert to fraction form
    211,606.24/317,400.72 = 86,944/x
  3. Step 3: Cross multiply
    211,606.24x = 317,400.72 × 86,944
  4. Step 4: Simplify right side
    211,606.24x = 27,596,088,199.68
  5. Step 5: Solve for x
    x = 27,596,088,199.68/211,606.24
  6. Step 6: Final answer
    x = 130,412.45

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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.