Home / 143,254.36-214,881.54-49,760.20

Finding the Fourth Proportional to 143,254.36, 214,881.54 and 49,760.20

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Solution

The fourth proportional to 143,254.36, 214,881.54 and 49,760.20 is: 74,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,254.36 : 214,881.54 = 49,760.20 : x
  2. Step 2: Convert to fraction form
    143,254.36/214,881.54 = 49,760.20/x
  3. Step 3: Cross multiply
    143,254.36x = 214,881.54 × 49,760.20
  4. Step 4: Simplify right side
    143,254.36x = 10,692,548,406.71
  5. Step 5: Solve for x
    x = 10,692,548,406.71/143,254.36
  6. Step 6: Final answer
    x = 74,640.30

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1.5x scale

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.