Home / 210,831.86-290,946.93-115,336.82

Finding the Fourth Proportional to 210,831.86, 290,946.93 and 115,336.82

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Solution

The fourth proportional to 210,831.86, 290,946.93 and 115,336.82 is: 159,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,831.86 : 290,946.93 = 115,336.82 : x
  2. Step 2: Convert to fraction form
    210,831.86/290,946.93 = 115,336.82/x
  3. Step 3: Cross multiply
    210,831.86x = 290,946.93 × 115,336.82
  4. Step 4: Simplify right side
    210,831.86x = 33,556,893,694.96
  5. Step 5: Solve for x
    x = 33,556,893,694.96/210,831.86
  6. Step 6: Final answer
    x = 159,164.24

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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.