Home / 189,482.72-261,457.44-125,913.92

Finding the Fourth Proportional to 189,482.72, 261,457.44 and 125,913.92

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Solution

The fourth proportional to 189,482.72, 261,457.44 and 125,913.92 is: 173,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,482.72 : 261,457.44 = 125,913.92 : x
  2. Step 2: Convert to fraction form
    189,482.72/261,457.44 = 125,913.92/x
  3. Step 3: Cross multiply
    189,482.72x = 261,457.44 × 125,913.92
  4. Step 4: Simplify right side
    189,482.72x = 32,921,131,183.56
  5. Step 5: Solve for x
    x = 32,921,131,183.56/189,482.72
  6. Step 6: Final answer
    x = 173,742.13

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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.