Home / 190,870.48-263,348.04-119,323.36

Finding the Fourth Proportional to 190,870.48, 263,348.04 and 119,323.36

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Solution

The fourth proportional to 190,870.48, 263,348.04 and 119,323.36 is: 164,632.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,870.48 : 263,348.04 = 119,323.36 : x
  2. Step 2: Convert to fraction form
    190,870.48/263,348.04 = 119,323.36/x
  3. Step 3: Cross multiply
    190,870.48x = 263,348.04 × 119,323.36
  4. Step 4: Simplify right side
    190,870.48x = 31,423,572,982.21
  5. Step 5: Solve for x
    x = 31,423,572,982.21/190,870.48
  6. Step 6: Final answer
    x = 164,632.96

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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.