Home / 249,977.25-344,968.61-136,800

Finding the Fourth Proportional to 249,977.25, 344,968.61 and 136,800

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Solution

The fourth proportional to 249,977.25, 344,968.61 and 136,800 is: 188,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,977.25 : 344,968.61 = 136,800 : x
  2. Step 2: Convert to fraction form
    249,977.25/344,968.61 = 136,800/x
  3. Step 3: Cross multiply
    249,977.25x = 344,968.61 × 136,800
  4. Step 4: Simplify right side
    249,977.25x = 47,191,705,164
  5. Step 5: Solve for x
    x = 47,191,705,164/249,977.25
  6. Step 6: Final answer
    x = 188,784

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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.