Home / 211,980.58-292,549.50-121,365.06

Finding the Fourth Proportional to 211,980.58, 292,549.50 and 121,365.06

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Solution

The fourth proportional to 211,980.58, 292,549.50 and 121,365.06 is: 167,493.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,980.58 : 292,549.50 = 121,365.06 : x
  2. Step 2: Convert to fraction form
    211,980.58/292,549.50 = 121,365.06/x
  3. Step 3: Cross multiply
    211,980.58x = 292,549.50 × 121,365.06
  4. Step 4: Simplify right side
    211,980.58x = 35,505,287,620.47
  5. Step 5: Solve for x
    x = 35,505,287,620.47/211,980.58
  6. Step 6: Final answer
    x = 167,493.11

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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.