Home / 249,721.26-344,616.48-136,543.92

Finding the Fourth Proportional to 249,721.26, 344,616.48 and 136,543.92

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Solution

The fourth proportional to 249,721.26, 344,616.48 and 136,543.92 is: 188,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,721.26 : 344,616.48 = 136,543.92 : x
  2. Step 2: Convert to fraction form
    249,721.26/344,616.48 = 136,543.92/x
  3. Step 3: Cross multiply
    249,721.26x = 344,616.48 × 136,543.92
  4. Step 4: Simplify right side
    249,721.26x = 47,055,285,075.80
  5. Step 5: Solve for x
    x = 47,055,285,075.80/249,721.26
  6. Step 6: Final answer
    x = 188,431.23

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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.