Home / 115,998.40-174,127.20-108,384.40

Finding the Fourth Proportional to 115,998.40, 174,127.20 and 108,384.40

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Solution

The fourth proportional to 115,998.40, 174,127.20 and 108,384.40 is: 162,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,998.40 : 174,127.20 = 108,384.40 : x
  2. Step 2: Convert to fraction form
    115,998.40/174,127.20 = 108,384.40/x
  3. Step 3: Cross multiply
    115,998.40x = 174,127.20 × 108,384.40
  4. Step 4: Simplify right side
    115,998.40x = 18,872,672,095.68
  5. Step 5: Solve for x
    x = 18,872,672,095.68/115,998.40
  6. Step 6: Final answer
    x = 162,697.69

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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.