Home / 84,147.25-116,125.40-45,907.42

Finding the Fourth Proportional to 84,147.25, 116,125.40 and 45,907.42

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Solution

The fourth proportional to 84,147.25, 116,125.40 and 45,907.42 is: 63,353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,147.25 : 116,125.40 = 45,907.42 : x
  2. Step 2: Convert to fraction form
    84,147.25/116,125.40 = 45,907.42/x
  3. Step 3: Cross multiply
    84,147.25x = 116,125.40 × 45,907.42
  4. Step 4: Simplify right side
    84,147.25x = 5,331,017,510.47
  5. Step 5: Solve for x
    x = 5,331,017,510.47/84,147.25
  6. Step 6: Final answer
    x = 63,353.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.