Home / 255,377.21-352,420.35-140,656.64

Finding the Fourth Proportional to 255,377.21, 352,420.35 and 140,656.64

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Solution

The fourth proportional to 255,377.21, 352,420.35 and 140,656.64 is: 194,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,377.21 : 352,420.35 = 140,656.64 : x
  2. Step 2: Convert to fraction form
    255,377.21/352,420.35 = 140,656.64/x
  3. Step 3: Cross multiply
    255,377.21x = 352,420.35 × 140,656.64
  4. Step 4: Simplify right side
    255,377.21x = 49,570,262,298.62
  5. Step 5: Solve for x
    x = 49,570,262,298.62/255,377.21
  6. Step 6: Final answer
    x = 194,106.05

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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.