Home / 178,862-246,829.56-103,415.36

Finding the Fourth Proportional to 178,862, 246,829.56 and 103,415.36

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Solution

The fourth proportional to 178,862, 246,829.56 and 103,415.36 is: 142,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,862 : 246,829.56 = 103,415.36 : x
  2. Step 2: Convert to fraction form
    178,862/246,829.56 = 103,415.36/x
  3. Step 3: Cross multiply
    178,862x = 246,829.56 × 103,415.36
  4. Step 4: Simplify right side
    178,862x = 25,525,967,806.04
  5. Step 5: Solve for x
    x = 25,525,967,806.04/178,862
  6. Step 6: Final answer
    x = 142,713.20

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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.