Home / 212,831.16-293,706.91-122,192.97

Finding the Fourth Proportional to 212,831.16, 293,706.91 and 122,192.97

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Solution

The fourth proportional to 212,831.16, 293,706.91 and 122,192.97 is: 168,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,831.16 : 293,706.91 = 122,192.97 : x
  2. Step 2: Convert to fraction form
    212,831.16/293,706.91 = 122,192.97/x
  3. Step 3: Cross multiply
    212,831.16x = 293,706.91 × 122,192.97
  4. Step 4: Simplify right side
    212,831.16x = 35,888,919,031.46
  5. Step 5: Solve for x
    x = 35,888,919,031.46/212,831.16
  6. Step 6: Final answer
    x = 168,626.24

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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.