Home / 255,831.55-353,043.02-141,120.63

Finding the Fourth Proportional to 255,831.55, 353,043.02 and 141,120.63

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Solution

The fourth proportional to 255,831.55, 353,043.02 and 141,120.63 is: 194,743.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,831.55 : 353,043.02 = 141,120.63 : x
  2. Step 2: Convert to fraction form
    255,831.55/353,043.02 = 141,120.63/x
  3. Step 3: Cross multiply
    255,831.55x = 353,043.02 × 141,120.63
  4. Step 4: Simplify right side
    255,831.55x = 49,821,653,752.30
  5. Step 5: Solve for x
    x = 49,821,653,752.30/255,831.55
  6. Step 6: Final answer
    x = 194,743.98

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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.