Home / 147,968.37-204,195.94-79,985.07

Finding the Fourth Proportional to 147,968.37, 204,195.94 and 79,985.07

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Solution

The fourth proportional to 147,968.37, 204,195.94 and 79,985.07 is: 110,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,968.37 : 204,195.94 = 79,985.07 : x
  2. Step 2: Convert to fraction form
    147,968.37/204,195.94 = 79,985.07/x
  3. Step 3: Cross multiply
    147,968.37x = 204,195.94 × 79,985.07
  4. Step 4: Simplify right side
    147,968.37x = 16,332,626,354.65
  5. Step 5: Solve for x
    x = 16,332,626,354.65/147,968.37
  6. Step 6: Final answer
    x = 110,379.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.