Home / 143,534.88-198,175.68-89,841.60

Finding the Fourth Proportional to 143,534.88, 198,175.68 and 89,841.60

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Solution

The fourth proportional to 143,534.88, 198,175.68 and 89,841.60 is: 124,042.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,534.88 : 198,175.68 = 89,841.60 : x
  2. Step 2: Convert to fraction form
    143,534.88/198,175.68 = 89,841.60/x
  3. Step 3: Cross multiply
    143,534.88x = 198,175.68 × 89,841.60
  4. Step 4: Simplify right side
    143,534.88x = 17,804,420,172.29
  5. Step 5: Solve for x
    x = 17,804,420,172.29/143,534.88
  6. Step 6: Final answer
    x = 124,042.46

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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.