Home / 249,826.70-344,752.25-142,431.32

Finding the Fourth Proportional to 249,826.70, 344,752.25 and 142,431.32

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Solution

The fourth proportional to 249,826.70, 344,752.25 and 142,431.32 is: 196,550.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,826.70 : 344,752.25 = 142,431.32 : x
  2. Step 2: Convert to fraction form
    249,826.70/344,752.25 = 142,431.32/x
  3. Step 3: Cross multiply
    249,826.70x = 344,752.25 × 142,431.32
  4. Step 4: Simplify right side
    249,826.70x = 49,103,515,604.55
  5. Step 5: Solve for x
    x = 49,103,515,604.55/249,826.70
  6. Step 6: Final answer
    x = 196,550.32

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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.