Home / 134,292.80-201,111.15-100,831.70

Finding the Fourth Proportional to 134,292.80, 201,111.15 and 100,831.70

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Solution

The fourth proportional to 134,292.80, 201,111.15 and 100,831.70 is: 151,001.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,292.80 : 201,111.15 = 100,831.70 : x
  2. Step 2: Convert to fraction form
    134,292.80/201,111.15 = 100,831.70/x
  3. Step 3: Cross multiply
    134,292.80x = 201,111.15 × 100,831.70
  4. Step 4: Simplify right side
    134,292.80x = 20,278,379,143.46
  5. Step 5: Solve for x
    x = 20,278,379,143.46/134,292.80
  6. Step 6: Final answer
    x = 151,001.24

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1.5x scale

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.