Home / 128,864.48-193,303.20-44,628.80

Finding the Fourth Proportional to 128,864.48, 193,303.20 and 44,628.80

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Solution

The fourth proportional to 128,864.48, 193,303.20 and 44,628.80 is: 66,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,864.48 : 193,303.20 = 44,628.80 : x
  2. Step 2: Convert to fraction form
    128,864.48/193,303.20 = 44,628.80/x
  3. Step 3: Cross multiply
    128,864.48x = 193,303.20 × 44,628.80
  4. Step 4: Simplify right side
    128,864.48x = 8,626,889,852.16
  5. Step 5: Solve for x
    x = 8,626,889,852.16/128,864.48
  6. Step 6: Final answer
    x = 66,945.44

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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.