Home / 123,340.95-170,210.61-66,752.37

Finding the Fourth Proportional to 123,340.95, 170,210.61 and 66,752.37

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Solution

The fourth proportional to 123,340.95, 170,210.61 and 66,752.37 is: 92,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,340.95 : 170,210.61 = 66,752.37 : x
  2. Step 2: Convert to fraction form
    123,340.95/170,210.61 = 66,752.37/x
  3. Step 3: Cross multiply
    123,340.95x = 170,210.61 × 66,752.37
  4. Step 4: Simplify right side
    123,340.95x = 11,361,961,616.65
  5. Step 5: Solve for x
    x = 11,361,961,616.65/123,340.95
  6. Step 6: Final answer
    x = 92,118.32

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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.