Home / 102,856.29-154,228.96-46,665.74

Finding the Fourth Proportional to 102,856.29, 154,228.96 and 46,665.74

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Solution

The fourth proportional to 102,856.29, 154,228.96 and 46,665.74 is: 69,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,856.29 : 154,228.96 = 46,665.74 : x
  2. Step 2: Convert to fraction form
    102,856.29/154,228.96 = 46,665.74/x
  3. Step 3: Cross multiply
    102,856.29x = 154,228.96 × 46,665.74
  4. Step 4: Simplify right side
    102,856.29x = 7,197,207,660.02
  5. Step 5: Solve for x
    x = 7,197,207,660.02/102,856.29
  6. Step 6: Final answer
    x = 69,973.43

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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.