Home / 123,410.98-170,307.30-66,822.36

Finding the Fourth Proportional to 123,410.98, 170,307.30 and 66,822.36

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Solution

The fourth proportional to 123,410.98, 170,307.30 and 66,822.36 is: 92,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,410.98 : 170,307.30 = 66,822.36 : x
  2. Step 2: Convert to fraction form
    123,410.98/170,307.30 = 66,822.36/x
  3. Step 3: Cross multiply
    123,410.98x = 170,307.30 × 66,822.36
  4. Step 4: Simplify right side
    123,410.98x = 11,380,335,711.23
  5. Step 5: Solve for x
    x = 11,380,335,711.23/123,410.98
  6. Step 6: Final answer
    x = 92,214.94

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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.