Home / 213,780.64-295,004.96-118,281.64

Finding the Fourth Proportional to 213,780.64, 295,004.96 and 118,281.64

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Solution

The fourth proportional to 213,780.64, 295,004.96 and 118,281.64 is: 163,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,780.64 : 295,004.96 = 118,281.64 : x
  2. Step 2: Convert to fraction form
    213,780.64/295,004.96 = 118,281.64/x
  3. Step 3: Cross multiply
    213,780.64x = 295,004.96 × 118,281.64
  4. Step 4: Simplify right side
    213,780.64x = 34,893,670,476.93
  5. Step 5: Solve for x
    x = 34,893,670,476.93/213,780.64
  6. Step 6: Final answer
    x = 163,221.84

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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.