Home / 124,759.08-172,168.08-68,171.64

Finding the Fourth Proportional to 124,759.08, 172,168.08 and 68,171.64

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Solution

The fourth proportional to 124,759.08, 172,168.08 and 68,171.64 is: 94,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.08 : 172,168.08 = 68,171.64 : x
  2. Step 2: Convert to fraction form
    124,759.08/172,168.08 = 68,171.64/x
  3. Step 3: Cross multiply
    124,759.08x = 172,168.08 × 68,171.64
  4. Step 4: Simplify right side
    124,759.08x = 11,736,980,369.25
  5. Step 5: Solve for x
    x = 11,736,980,369.25/124,759.08
  6. Step 6: Final answer
    x = 94,077.16

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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.