Home / 249,811.90-344,739.85-136,634.65

Finding the Fourth Proportional to 249,811.90, 344,739.85 and 136,634.65

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Solution

The fourth proportional to 249,811.90, 344,739.85 and 136,634.65 is: 188,555.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,811.90 : 344,739.85 = 136,634.65 : x
  2. Step 2: Convert to fraction form
    249,811.90/344,739.85 = 136,634.65/x
  3. Step 3: Cross multiply
    249,811.90x = 344,739.85 × 136,634.65
  4. Step 4: Simplify right side
    249,811.90x = 47,103,407,542.37
  5. Step 5: Solve for x
    x = 47,103,407,542.37/249,811.90
  6. Step 6: Final answer
    x = 188,555.50

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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.