Home / 142,851.97-214,275.77-34,782.34

Finding the Fourth Proportional to 142,851.97, 214,275.77 and 34,782.34

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Solution

The fourth proportional to 142,851.97, 214,275.77 and 34,782.34 is: 52,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,851.97 : 214,275.77 = 34,782.34 : x
  2. Step 2: Convert to fraction form
    142,851.97/214,275.77 = 34,782.34/x
  3. Step 3: Cross multiply
    142,851.97x = 214,275.77 × 34,782.34
  4. Step 4: Simplify right side
    142,851.97x = 7,453,012,685.90
  5. Step 5: Solve for x
    x = 7,453,012,685.90/142,851.97
  6. Step 6: Final answer
    x = 52,172.98

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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.