Home / 249,144.73-343,814.93-135,968.29

Finding the Fourth Proportional to 249,144.73, 343,814.93 and 135,968.29

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Solution

The fourth proportional to 249,144.73, 343,814.93 and 135,968.29 is: 187,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,144.73 : 343,814.93 = 135,968.29 : x
  2. Step 2: Convert to fraction form
    249,144.73/343,814.93 = 135,968.29/x
  3. Step 3: Cross multiply
    249,144.73x = 343,814.93 × 135,968.29
  4. Step 4: Simplify right side
    249,144.73x = 46,747,927,079.07
  5. Step 5: Solve for x
    x = 46,747,927,079.07/249,144.73
  6. Step 6: Final answer
    x = 187,633.62

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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.