Home / 211,457.98-291,820.44-115,968.16

Finding the Fourth Proportional to 211,457.98, 291,820.44 and 115,968.16

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Solution

The fourth proportional to 211,457.98, 291,820.44 and 115,968.16 is: 160,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,457.98 : 291,820.44 = 115,968.16 : x
  2. Step 2: Convert to fraction form
    211,457.98/291,820.44 = 115,968.16/x
  3. Step 3: Cross multiply
    211,457.98x = 291,820.44 × 115,968.16
  4. Step 4: Simplify right side
    211,457.98x = 33,841,879,477.19
  5. Step 5: Solve for x
    x = 33,841,879,477.19/211,457.98
  6. Step 6: Final answer
    x = 160,040.68

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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.