Home / 249,388.37-344,153.81-136,208.69

Finding the Fourth Proportional to 249,388.37, 344,153.81 and 136,208.69

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Solution

The fourth proportional to 249,388.37, 344,153.81 and 136,208.69 is: 187,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,388.37 : 344,153.81 = 136,208.69 : x
  2. Step 2: Convert to fraction form
    249,388.37/344,153.81 = 136,208.69/x
  3. Step 3: Cross multiply
    249,388.37x = 344,153.81 × 136,208.69
  4. Step 4: Simplify right side
    249,388.37x = 46,876,739,618.61
  5. Step 5: Solve for x
    x = 46,876,739,618.61/249,388.37
  6. Step 6: Final answer
    x = 187,966.82

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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.