Home / 128,984.88-193,552.02-54,098.34

Finding the Fourth Proportional to 128,984.88, 193,552.02 and 54,098.34

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Solution

The fourth proportional to 128,984.88, 193,552.02 and 54,098.34 is: 81,178.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,984.88 : 193,552.02 = 54,098.34 : x
  2. Step 2: Convert to fraction form
    128,984.88/193,552.02 = 54,098.34/x
  3. Step 3: Cross multiply
    128,984.88x = 193,552.02 × 54,098.34
  4. Step 4: Simplify right side
    128,984.88x = 10,470,842,985.65
  5. Step 5: Solve for x
    x = 10,470,842,985.65/128,984.88
  6. Step 6: Final answer
    x = 81,178.84

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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.