Home / 175,851.90-242,648.21-104,220.36

Finding the Fourth Proportional to 175,851.90, 242,648.21 and 104,220.36

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Solution

The fourth proportional to 175,851.90, 242,648.21 and 104,220.36 is: 143,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,851.90 : 242,648.21 = 104,220.36 : x
  2. Step 2: Convert to fraction form
    175,851.90/242,648.21 = 104,220.36/x
  3. Step 3: Cross multiply
    175,851.90x = 242,648.21 × 104,220.36
  4. Step 4: Simplify right side
    175,851.90x = 25,288,883,278.45
  5. Step 5: Solve for x
    x = 25,288,883,278.45/175,851.90
  6. Step 6: Final answer
    x = 143,807.85

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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.