Home / 249,118.34-343,784.25-135,941.09

Finding the Fourth Proportional to 249,118.34, 343,784.25 and 135,941.09

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Solution

The fourth proportional to 249,118.34, 343,784.25 and 135,941.09 is: 187,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,118.34 : 343,784.25 = 135,941.09 : x
  2. Step 2: Convert to fraction form
    249,118.34/343,784.25 = 135,941.09/x
  3. Step 3: Cross multiply
    249,118.34x = 343,784.25 × 135,941.09
  4. Step 4: Simplify right side
    249,118.34x = 46,734,403,950.91
  5. Step 5: Solve for x
    x = 46,734,403,950.91/249,118.34
  6. Step 6: Final answer
    x = 187,599.21

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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.