Home / 125,200.83-172,777.30-67,840.11

Finding the Fourth Proportional to 125,200.83, 172,777.30 and 67,840.11

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Solution

The fourth proportional to 125,200.83, 172,777.30 and 67,840.11 is: 93,619.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,200.83 : 172,777.30 = 67,840.11 : x
  2. Step 2: Convert to fraction form
    125,200.83/172,777.30 = 67,840.11/x
  3. Step 3: Cross multiply
    125,200.83x = 172,777.30 × 67,840.11
  4. Step 4: Simplify right side
    125,200.83x = 11,721,231,037.50
  5. Step 5: Solve for x
    x = 11,721,231,037.50/125,200.83
  6. Step 6: Final answer
    x = 93,619.44

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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.