Home / 213,868.02-295,131.99-121,985.22

Finding the Fourth Proportional to 213,868.02, 295,131.99 and 121,985.22

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Solution

The fourth proportional to 213,868.02, 295,131.99 and 121,985.22 is: 168,336.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,868.02 : 295,131.99 = 121,985.22 : x
  2. Step 2: Convert to fraction form
    213,868.02/295,131.99 = 121,985.22/x
  3. Step 3: Cross multiply
    213,868.02x = 295,131.99 × 121,985.22
  4. Step 4: Simplify right side
    213,868.02x = 36,001,740,729.19
  5. Step 5: Solve for x
    x = 36,001,740,729.19/213,868.02
  6. Step 6: Final answer
    x = 168,336.25

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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.