Home / 211,332.63-317,047.55-69,182.49

Finding the Fourth Proportional to 211,332.63, 317,047.55 and 69,182.49

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Solution

The fourth proportional to 211,332.63, 317,047.55 and 69,182.49 is: 103,789.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,332.63 : 317,047.55 = 69,182.49 : x
  2. Step 2: Convert to fraction form
    211,332.63/317,047.55 = 69,182.49/x
  3. Step 3: Cross multiply
    211,332.63x = 317,047.55 × 69,182.49
  4. Step 4: Simplify right side
    211,332.63x = 21,934,138,939.36
  5. Step 5: Solve for x
    x = 21,934,138,939.36/211,332.63
  6. Step 6: Final answer
    x = 103,789.65

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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.