Home / 123,340.98-170,210.58-66,752.38

Finding the Fourth Proportional to 123,340.98, 170,210.58 and 66,752.38

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Solution

The fourth proportional to 123,340.98, 170,210.58 and 66,752.38 is: 92,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,340.98 : 170,210.58 = 66,752.38 : x
  2. Step 2: Convert to fraction form
    123,340.98/170,210.58 = 66,752.38/x
  3. Step 3: Cross multiply
    123,340.98x = 170,210.58 × 66,752.38
  4. Step 4: Simplify right side
    123,340.98x = 11,361,961,316.18
  5. Step 5: Solve for x
    x = 11,361,961,316.18/123,340.98
  6. Step 6: Final answer
    x = 92,118.30

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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.