Home / 125,000.54-172,496.45-71,302.94

Finding the Fourth Proportional to 125,000.54, 172,496.45 and 71,302.94

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Solution

The fourth proportional to 125,000.54, 172,496.45 and 71,302.94 is: 98,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,000.54 : 172,496.45 = 71,302.94 : x
  2. Step 2: Convert to fraction form
    125,000.54/172,496.45 = 71,302.94/x
  3. Step 3: Cross multiply
    125,000.54x = 172,496.45 × 71,302.94
  4. Step 4: Simplify right side
    125,000.54x = 12,299,503,668.05
  5. Step 5: Solve for x
    x = 12,299,503,668.05/125,000.54
  6. Step 6: Final answer
    x = 98,395.60

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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.