Home / 249,323.78-344,068.08-136,146.54

Finding the Fourth Proportional to 249,323.78, 344,068.08 and 136,146.54

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Solution

The fourth proportional to 249,323.78, 344,068.08 and 136,146.54 is: 187,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,323.78 : 344,068.08 = 136,146.54 : x
  2. Step 2: Convert to fraction form
    249,323.78/344,068.08 = 136,146.54/x
  3. Step 3: Cross multiply
    249,323.78x = 344,068.08 × 136,146.54
  4. Step 4: Simplify right side
    249,323.78x = 46,843,678,616.44
  5. Step 5: Solve for x
    x = 46,843,678,616.44/249,323.78
  6. Step 6: Final answer
    x = 187,882.92

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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.