Home / 155,831.80-233,747.70-136,586.20

Finding the Fourth Proportional to 155,831.80, 233,747.70 and 136,586.20

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Solution

The fourth proportional to 155,831.80, 233,747.70 and 136,586.20 is: 204,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,831.80 : 233,747.70 = 136,586.20 : x
  2. Step 2: Convert to fraction form
    155,831.80/233,747.70 = 136,586.20/x
  3. Step 3: Cross multiply
    155,831.80x = 233,747.70 × 136,586.20
  4. Step 4: Simplify right side
    155,831.80x = 31,926,710,101.74
  5. Step 5: Solve for x
    x = 31,926,710,101.74/155,831.80
  6. Step 6: Final answer
    x = 204,879.30

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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.