Home / 129,598.88-178,855.63-73,010.25

Finding the Fourth Proportional to 129,598.88, 178,855.63 and 73,010.25

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Solution

The fourth proportional to 129,598.88, 178,855.63 and 73,010.25 is: 100,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,598.88 : 178,855.63 = 73,010.25 : x
  2. Step 2: Convert to fraction form
    129,598.88/178,855.63 = 73,010.25/x
  3. Step 3: Cross multiply
    129,598.88x = 178,855.63 × 73,010.25
  4. Step 4: Simplify right side
    129,598.88x = 13,058,294,077.68
  5. Step 5: Solve for x
    x = 13,058,294,077.68/129,598.88
  6. Step 6: Final answer
    x = 100,759.32

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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.