Home / 147,831.24-221,743.73-47,991.29

Finding the Fourth Proportional to 147,831.24, 221,743.73 and 47,991.29

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Solution

The fourth proportional to 147,831.24, 221,743.73 and 47,991.29 is: 71,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,831.24 : 221,743.73 = 47,991.29 : x
  2. Step 2: Convert to fraction form
    147,831.24/221,743.73 = 47,991.29/x
  3. Step 3: Cross multiply
    147,831.24x = 221,743.73 × 47,991.29
  4. Step 4: Simplify right side
    147,831.24x = 10,641,766,303.44
  5. Step 5: Solve for x
    x = 10,641,766,303.44/147,831.24
  6. Step 6: Final answer
    x = 71,985.91

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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.