Home / 164,856.75-227,502.45-89,405.25

Finding the Fourth Proportional to 164,856.75, 227,502.45 and 89,405.25

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Solution

The fourth proportional to 164,856.75, 227,502.45 and 89,405.25 is: 123,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,856.75 : 227,502.45 = 89,405.25 : x
  2. Step 2: Convert to fraction form
    164,856.75/227,502.45 = 89,405.25/x
  3. Step 3: Cross multiply
    164,856.75x = 227,502.45 × 89,405.25
  4. Step 4: Simplify right side
    164,856.75x = 20,339,913,417.86
  5. Step 5: Solve for x
    x = 20,339,913,417.86/164,856.75
  6. Step 6: Final answer
    x = 123,379.32

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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.