Home / 249,811.40-344,747.94-136,634.15

Finding the Fourth Proportional to 249,811.40, 344,747.94 and 136,634.15

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Solution

The fourth proportional to 249,811.40, 344,747.94 and 136,634.15 is: 188,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,811.40 : 344,747.94 = 136,634.15 : x
  2. Step 2: Convert to fraction form
    249,811.40/344,747.94 = 136,634.15/x
  3. Step 3: Cross multiply
    249,811.40x = 344,747.94 × 136,634.15
  4. Step 4: Simplify right side
    249,811.40x = 47,104,341,746.15
  5. Step 5: Solve for x
    x = 47,104,341,746.15/249,811.40
  6. Step 6: Final answer
    x = 188,559.62

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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.