Home / 123,412.02-170,308.71-66,823.26

Finding the Fourth Proportional to 123,412.02, 170,308.71 and 66,823.26

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Solution

The fourth proportional to 123,412.02, 170,308.71 and 66,823.26 is: 92,216.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,412.02 : 170,308.71 = 66,823.26 : x
  2. Step 2: Convert to fraction form
    123,412.02/170,308.71 = 66,823.26/x
  3. Step 3: Cross multiply
    123,412.02x = 170,308.71 × 66,823.26
  4. Step 4: Simplify right side
    123,412.02x = 11,380,583,208.59
  5. Step 5: Solve for x
    x = 11,380,583,208.59/123,412.02
  6. Step 6: Final answer
    x = 92,216.17

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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.