Home / 249,511.49-344,325.47-142,081.56

Finding the Fourth Proportional to 249,511.49, 344,325.47 and 142,081.56

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Solution

The fourth proportional to 249,511.49, 344,325.47 and 142,081.56 is: 196,072.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,511.49 : 344,325.47 = 142,081.56 : x
  2. Step 2: Convert to fraction form
    249,511.49/344,325.47 = 142,081.56/x
  3. Step 3: Cross multiply
    249,511.49x = 344,325.47 × 142,081.56
  4. Step 4: Simplify right side
    249,511.49x = 48,922,299,214.93
  5. Step 5: Solve for x
    x = 48,922,299,214.93/249,511.49
  6. Step 6: Final answer
    x = 196,072.33

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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.