Home / 128,962.84-193,422.36-58,825.72

Finding the Fourth Proportional to 128,962.84, 193,422.36 and 58,825.72

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Solution

The fourth proportional to 128,962.84, 193,422.36 and 58,825.72 is: 88,228.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,962.84 : 193,422.36 = 58,825.72 : x
  2. Step 2: Convert to fraction form
    128,962.84/193,422.36 = 58,825.72/x
  3. Step 3: Cross multiply
    128,962.84x = 193,422.36 × 58,825.72
  4. Step 4: Simplify right side
    128,962.84x = 11,378,209,591.10
  5. Step 5: Solve for x
    x = 11,378,209,591.10/128,962.84
  6. Step 6: Final answer
    x = 88,228.59

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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.