Home / 249,961.78-344,947.23-136,784.50

Finding the Fourth Proportional to 249,961.78, 344,947.23 and 136,784.50

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Solution

The fourth proportional to 249,961.78, 344,947.23 and 136,784.50 is: 188,762.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,961.78 : 344,947.23 = 136,784.50 : x
  2. Step 2: Convert to fraction form
    249,961.78/344,947.23 = 136,784.50/x
  3. Step 3: Cross multiply
    249,961.78x = 344,947.23 × 136,784.50
  4. Step 4: Simplify right side
    249,961.78x = 47,183,434,381.94
  5. Step 5: Solve for x
    x = 47,183,434,381.94/249,961.78
  6. Step 6: Final answer
    x = 188,762.60

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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.