Home / 125,099.28-172,633.64-71,383.32

Finding the Fourth Proportional to 125,099.28, 172,633.64 and 71,383.32

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Solution

The fourth proportional to 125,099.28, 172,633.64 and 71,383.32 is: 98,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,099.28 : 172,633.64 = 71,383.32 : x
  2. Step 2: Convert to fraction form
    125,099.28/172,633.64 = 71,383.32/x
  3. Step 3: Cross multiply
    125,099.28x = 172,633.64 × 71,383.32
  4. Step 4: Simplify right side
    125,099.28x = 12,323,162,366.88
  5. Step 5: Solve for x
    x = 12,323,162,366.88/125,099.28
  6. Step 6: Final answer
    x = 98,507.06

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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.