Home / 249,679.89-344,581.97-136,519.65

Finding the Fourth Proportional to 249,679.89, 344,581.97 and 136,519.65

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Solution

The fourth proportional to 249,679.89, 344,581.97 and 136,519.65 is: 188,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,679.89 : 344,581.97 = 136,519.65 : x
  2. Step 2: Convert to fraction form
    249,679.89/344,581.97 = 136,519.65/x
  3. Step 3: Cross multiply
    249,679.89x = 344,581.97 × 136,519.65
  4. Step 4: Simplify right side
    249,679.89x = 47,042,209,258.11
  5. Step 5: Solve for x
    x = 47,042,209,258.11/249,679.89
  6. Step 6: Final answer
    x = 188,410.08

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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.