Home / 249,620.68-344,436.30-142,192.80

Finding the Fourth Proportional to 249,620.68, 344,436.30 and 142,192.80

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Solution

The fourth proportional to 249,620.68, 344,436.30 and 142,192.80 is: 196,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,620.68 : 344,436.30 = 142,192.80 : x
  2. Step 2: Convert to fraction form
    249,620.68/344,436.30 = 142,192.80/x
  3. Step 3: Cross multiply
    249,620.68x = 344,436.30 × 142,192.80
  4. Step 4: Simplify right side
    249,620.68x = 48,976,361,918.64
  5. Step 5: Solve for x
    x = 48,976,361,918.64/249,620.68
  6. Step 6: Final answer
    x = 196,203.14

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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.