Home / 248,112.10-371,985.90-98,278.30

Finding the Fourth Proportional to 248,112.10, 371,985.90 and 98,278.30

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Solution

The fourth proportional to 248,112.10, 371,985.90 and 98,278.30 is: 147,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,112.10 : 371,985.90 = 98,278.30 : x
  2. Step 2: Convert to fraction form
    248,112.10/371,985.90 = 98,278.30/x
  3. Step 3: Cross multiply
    248,112.10x = 371,985.90 × 98,278.30
  4. Step 4: Simplify right side
    248,112.10x = 36,558,141,875.97
  5. Step 5: Solve for x
    x = 36,558,141,875.97/248,112.10
  6. Step 6: Final answer
    x = 147,345.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.