Home / 249,213.72-343,913.94-136,036.56

Finding the Fourth Proportional to 249,213.72, 343,913.94 and 136,036.56

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Solution

The fourth proportional to 249,213.72, 343,913.94 and 136,036.56 is: 187,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,213.72 : 343,913.94 = 136,036.56 : x
  2. Step 2: Convert to fraction form
    249,213.72/343,913.94 = 136,036.56/x
  3. Step 3: Cross multiply
    249,213.72x = 343,913.94 × 136,036.56
  4. Step 4: Simplify right side
    249,213.72x = 46,784,869,333.65
  5. Step 5: Solve for x
    x = 46,784,869,333.65/249,213.72
  6. Step 6: Final answer
    x = 187,729.91

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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.