Home / 211,080.67-291,342.59-130,459.65

Finding the Fourth Proportional to 211,080.67, 291,342.59 and 130,459.65

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Solution

The fourth proportional to 211,080.67, 291,342.59 and 130,459.65 is: 180,066.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,080.67 : 291,342.59 = 130,459.65 : x
  2. Step 2: Convert to fraction form
    211,080.67/291,342.59 = 130,459.65/x
  3. Step 3: Cross multiply
    211,080.67x = 291,342.59 × 130,459.65
  4. Step 4: Simplify right side
    211,080.67x = 38,008,451,065.88
  5. Step 5: Solve for x
    x = 38,008,451,065.88/211,080.67
  6. Step 6: Final answer
    x = 180,066.00

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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.