Home / 246,646.52-369,980.07-78,163.12

Finding the Fourth Proportional to 246,646.52, 369,980.07 and 78,163.12

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Solution

The fourth proportional to 246,646.52, 369,980.07 and 78,163.12 is: 117,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,646.52 : 369,980.07 = 78,163.12 : x
  2. Step 2: Convert to fraction form
    246,646.52/369,980.07 = 78,163.12/x
  3. Step 3: Cross multiply
    246,646.52x = 369,980.07 × 78,163.12
  4. Step 4: Simplify right side
    246,646.52x = 28,918,795,684.07
  5. Step 5: Solve for x
    x = 28,918,795,684.07/246,646.52
  6. Step 6: Final answer
    x = 117,247.94

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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.