Home / 128,927.52-193,387.23-35,432.46

Finding the Fourth Proportional to 128,927.52, 193,387.23 and 35,432.46

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Solution

The fourth proportional to 128,927.52, 193,387.23 and 35,432.46 is: 53,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,927.52 : 193,387.23 = 35,432.46 : x
  2. Step 2: Convert to fraction form
    128,927.52/193,387.23 = 35,432.46/x
  3. Step 3: Cross multiply
    128,927.52x = 193,387.23 × 35,432.46
  4. Step 4: Simplify right side
    128,927.52x = 6,852,185,291.49
  5. Step 5: Solve for x
    x = 6,852,185,291.49/128,927.52
  6. Step 6: Final answer
    x = 53,147.58

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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.