Home / 191,303.37-286,825.19-107,121.42

Finding the Fourth Proportional to 191,303.37, 286,825.19 and 107,121.42

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Solution

The fourth proportional to 191,303.37, 286,825.19 and 107,121.42 is: 160,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,303.37 : 286,825.19 = 107,121.42 : x
  2. Step 2: Convert to fraction form
    191,303.37/286,825.19 = 107,121.42/x
  3. Step 3: Cross multiply
    191,303.37x = 286,825.19 × 107,121.42
  4. Step 4: Simplify right side
    191,303.37x = 30,725,121,108.96
  5. Step 5: Solve for x
    x = 30,725,121,108.96/191,303.37
  6. Step 6: Final answer
    x = 160,609.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.