Home / 125,008.28-172,511.88-67,647.60

Finding the Fourth Proportional to 125,008.28, 172,511.88 and 67,647.60

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Solution

The fourth proportional to 125,008.28, 172,511.88 and 67,647.60 is: 93,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,008.28 : 172,511.88 = 67,647.60 : x
  2. Step 2: Convert to fraction form
    125,008.28/172,511.88 = 67,647.60/x
  3. Step 3: Cross multiply
    125,008.28x = 172,511.88 × 67,647.60
  4. Step 4: Simplify right side
    125,008.28x = 11,670,014,653.49
  5. Step 5: Solve for x
    x = 11,670,014,653.49/125,008.28
  6. Step 6: Final answer
    x = 93,353.93

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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.