Home / 104,187.48-143,791.74-61,762.20

Finding the Fourth Proportional to 104,187.48, 143,791.74 and 61,762.20

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Solution

The fourth proportional to 104,187.48, 143,791.74 and 61,762.20 is: 85,239.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,187.48 : 143,791.74 = 61,762.20 : x
  2. Step 2: Convert to fraction form
    104,187.48/143,791.74 = 61,762.20/x
  3. Step 3: Cross multiply
    104,187.48x = 143,791.74 × 61,762.20
  4. Step 4: Simplify right side
    104,187.48x = 8,880,894,204.23
  5. Step 5: Solve for x
    x = 8,880,894,204.23/104,187.48
  6. Step 6: Final answer
    x = 85,239.55

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1.5x scale

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.