Home / 211,457.67-291,810.24-120,841.35

Finding the Fourth Proportional to 211,457.67, 291,810.24 and 120,841.35

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Solution

The fourth proportional to 211,457.67, 291,810.24 and 120,841.35 is: 166,760.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,457.67 : 291,810.24 = 120,841.35 : x
  2. Step 2: Convert to fraction form
    211,457.67/291,810.24 = 120,841.35/x
  3. Step 3: Cross multiply
    211,457.67x = 291,810.24 × 120,841.35
  4. Step 4: Simplify right side
    211,457.67x = 35,262,743,345.42
  5. Step 5: Solve for x
    x = 35,262,743,345.42/211,457.67
  6. Step 6: Final answer
    x = 166,760.29

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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.