Home / 125,108.56-172,651.53-68,520.34

Finding the Fourth Proportional to 125,108.56, 172,651.53 and 68,520.34

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Solution

The fourth proportional to 125,108.56, 172,651.53 and 68,520.34 is: 94,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,108.56 : 172,651.53 = 68,520.34 : x
  2. Step 2: Convert to fraction form
    125,108.56/172,651.53 = 68,520.34/x
  3. Step 3: Cross multiply
    125,108.56x = 172,651.53 × 68,520.34
  4. Step 4: Simplify right side
    125,108.56x = 11,830,141,537.12
  5. Step 5: Solve for x
    x = 11,830,141,537.12/125,108.56
  6. Step 6: Final answer
    x = 94,559.01

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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.