Home / 211,440.48-317,081.70-85,038.06

Finding the Fourth Proportional to 211,440.48, 317,081.70 and 85,038.06

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Solution

The fourth proportional to 211,440.48, 317,081.70 and 85,038.06 is: 127,525.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,440.48 : 317,081.70 = 85,038.06 : x
  2. Step 2: Convert to fraction form
    211,440.48/317,081.70 = 85,038.06/x
  3. Step 3: Cross multiply
    211,440.48x = 317,081.70 × 85,038.06
  4. Step 4: Simplify right side
    211,440.48x = 26,964,012,629.50
  5. Step 5: Solve for x
    x = 26,964,012,629.50/211,440.48
  6. Step 6: Final answer
    x = 127,525.31

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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.