Home / 211,900.02-317,815.08-69,747.13

Finding the Fourth Proportional to 211,900.02, 317,815.08 and 69,747.13

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Solution

The fourth proportional to 211,900.02, 317,815.08 and 69,747.13 is: 104,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,900.02 : 317,815.08 = 69,747.13 : x
  2. Step 2: Convert to fraction form
    211,900.02/317,815.08 = 69,747.13/x
  3. Step 3: Cross multiply
    211,900.02x = 317,815.08 × 69,747.13
  4. Step 4: Simplify right side
    211,900.02x = 22,166,689,700.72
  5. Step 5: Solve for x
    x = 22,166,689,700.72/211,900.02
  6. Step 6: Final answer
    x = 104,609.19

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1.5x scale

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.