Home / 190,705.12-263,271.08-134,368

Finding the Fourth Proportional to 190,705.12, 263,271.08 and 134,368

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Solution

The fourth proportional to 190,705.12, 263,271.08 and 134,368 is: 185,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,705.12 : 263,271.08 = 134,368 : x
  2. Step 2: Convert to fraction form
    190,705.12/263,271.08 = 134,368/x
  3. Step 3: Cross multiply
    190,705.12x = 263,271.08 × 134,368
  4. Step 4: Simplify right side
    190,705.12x = 35,375,208,477.44
  5. Step 5: Solve for x
    x = 35,375,208,477.44/190,705.12
  6. Step 6: Final answer
    x = 185,496.90

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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.