Home / 190,802.72-263,279.76-105,920.48

Finding the Fourth Proportional to 190,802.72, 263,279.76 and 105,920.48

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Solution

The fourth proportional to 190,802.72, 263,279.76 and 105,920.48 is: 146,154.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,802.72 : 263,279.76 = 105,920.48 : x
  2. Step 2: Convert to fraction form
    190,802.72/263,279.76 = 105,920.48/x
  3. Step 3: Cross multiply
    190,802.72x = 263,279.76 × 105,920.48
  4. Step 4: Simplify right side
    190,802.72x = 27,886,718,553.48
  5. Step 5: Solve for x
    x = 27,886,718,553.48/190,802.72
  6. Step 6: Final answer
    x = 146,154.72

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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.