Home / 104,148.48-143,724.60-56,401.80

Finding the Fourth Proportional to 104,148.48, 143,724.60 and 56,401.80

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Solution

The fourth proportional to 104,148.48, 143,724.60 and 56,401.80 is: 77,834.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,148.48 : 143,724.60 = 56,401.80 : x
  2. Step 2: Convert to fraction form
    104,148.48/143,724.60 = 56,401.80/x
  3. Step 3: Cross multiply
    104,148.48x = 143,724.60 × 56,401.80
  4. Step 4: Simplify right side
    104,148.48x = 8,106,326,144.28
  5. Step 5: Solve for x
    x = 8,106,326,144.28/104,148.48
  6. Step 6: Final answer
    x = 77,834.32

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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.