Home / 125,224.16-172,808.36-68,635.40

Finding the Fourth Proportional to 125,224.16, 172,808.36 and 68,635.40

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Solution

The fourth proportional to 125,224.16, 172,808.36 and 68,635.40 is: 94,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.16 : 172,808.36 = 68,635.40 : x
  2. Step 2: Convert to fraction form
    125,224.16/172,808.36 = 68,635.40/x
  3. Step 3: Cross multiply
    125,224.16x = 172,808.36 × 68,635.40
  4. Step 4: Simplify right side
    125,224.16x = 11,860,770,911.94
  5. Step 5: Solve for x
    x = 11,860,770,911.94/125,224.16
  6. Step 6: Final answer
    x = 94,716.31

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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.