Home / 125,099.53-172,633.99-71,383.57

Finding the Fourth Proportional to 125,099.53, 172,633.99 and 71,383.57

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Solution

The fourth proportional to 125,099.53, 172,633.99 and 71,383.57 is: 98,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,099.53 : 172,633.99 = 71,383.57 : x
  2. Step 2: Convert to fraction form
    125,099.53/172,633.99 = 71,383.57/x
  3. Step 3: Cross multiply
    125,099.53x = 172,633.99 × 71,383.57
  4. Step 4: Simplify right side
    125,099.53x = 12,323,230,152.63
  5. Step 5: Solve for x
    x = 12,323,230,152.63/125,099.53
  6. Step 6: Final answer
    x = 98,507.41

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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.