Home / 84,935.60-127,403.40-73,271.60

Finding the Fourth Proportional to 84,935.60, 127,403.40 and 73,271.60

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Solution

The fourth proportional to 84,935.60, 127,403.40 and 73,271.60 is: 109,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935.60 : 127,403.40 = 73,271.60 : x
  2. Step 2: Convert to fraction form
    84,935.60/127,403.40 = 73,271.60/x
  3. Step 3: Cross multiply
    84,935.60x = 127,403.40 × 73,271.60
  4. Step 4: Simplify right side
    84,935.60x = 9,335,050,963.44
  5. Step 5: Solve for x
    x = 9,335,050,963.44/84,935.60
  6. Step 6: Final answer
    x = 109,907.40

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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.