Home / 211,136.67-291,374.27-119,248.58

Finding the Fourth Proportional to 211,136.67, 291,374.27 and 119,248.58

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Solution

The fourth proportional to 211,136.67, 291,374.27 and 119,248.58 is: 164,566.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,136.67 : 291,374.27 = 119,248.58 : x
  2. Step 2: Convert to fraction form
    211,136.67/291,374.27 = 119,248.58/x
  3. Step 3: Cross multiply
    211,136.67x = 291,374.27 × 119,248.58
  4. Step 4: Simplify right side
    211,136.67x = 34,745,968,972.59
  5. Step 5: Solve for x
    x = 34,745,968,972.59/211,136.67
  6. Step 6: Final answer
    x = 164,566.25

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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.