Home / 249,564.90-344,399.75-136,387.66

Finding the Fourth Proportional to 249,564.90, 344,399.75 and 136,387.66

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Solution

The fourth proportional to 249,564.90, 344,399.75 and 136,387.66 is: 188,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,564.90 : 344,399.75 = 136,387.66 : x
  2. Step 2: Convert to fraction form
    249,564.90/344,399.75 = 136,387.66/x
  3. Step 3: Cross multiply
    249,564.90x = 344,399.75 × 136,387.66
  4. Step 4: Simplify right side
    249,564.90x = 46,971,876,007.09
  5. Step 5: Solve for x
    x = 46,971,876,007.09/249,564.90
  6. Step 6: Final answer
    x = 188,215.07

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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.