Home / 248,537.40-342,982.06-135,360.76

Finding the Fourth Proportional to 248,537.40, 342,982.06 and 135,360.76

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Solution

The fourth proportional to 248,537.40, 342,982.06 and 135,360.76 is: 186,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,537.40 : 342,982.06 = 135,360.76 : x
  2. Step 2: Convert to fraction form
    248,537.40/342,982.06 = 135,360.76/x
  3. Step 3: Cross multiply
    248,537.40x = 342,982.06 × 135,360.76
  4. Step 4: Simplify right side
    248,537.40x = 46,426,312,307.97
  5. Step 5: Solve for x
    x = 46,426,312,307.97/248,537.40
  6. Step 6: Final answer
    x = 186,798.09

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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.