Home / 123,880.24-185,820.36-53,758

Finding the Fourth Proportional to 123,880.24, 185,820.36 and 53,758

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Solution

The fourth proportional to 123,880.24, 185,820.36 and 53,758 is: 80,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880.24 : 185,820.36 = 53,758 : x
  2. Step 2: Convert to fraction form
    123,880.24/185,820.36 = 53,758/x
  3. Step 3: Cross multiply
    123,880.24x = 185,820.36 × 53,758
  4. Step 4: Simplify right side
    123,880.24x = 9,989,330,912.88
  5. Step 5: Solve for x
    x = 9,989,330,912.88/123,880.24
  6. Step 6: Final answer
    x = 80,637.00

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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.