Home / 248,106.30-342,386.10-134,929.14

Finding the Fourth Proportional to 248,106.30, 342,386.10 and 134,929.14

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Solution

The fourth proportional to 248,106.30, 342,386.10 and 134,929.14 is: 186,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,106.30 : 342,386.10 = 134,929.14 : x
  2. Step 2: Convert to fraction form
    248,106.30/342,386.10 = 134,929.14/x
  3. Step 3: Cross multiply
    248,106.30x = 342,386.10 × 134,929.14
  4. Step 4: Simplify right side
    248,106.30x = 46,197,862,020.95
  5. Step 5: Solve for x
    x = 46,197,862,020.95/248,106.30
  6. Step 6: Final answer
    x = 186,201.89

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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.