Home / 107,891.40-148,907.67-64,914.33

Finding the Fourth Proportional to 107,891.40, 148,907.67 and 64,914.33

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Solution

The fourth proportional to 107,891.40, 148,907.67 and 64,914.33 is: 89,592.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891.40 : 148,907.67 = 64,914.33 : x
  2. Step 2: Convert to fraction form
    107,891.40/148,907.67 = 64,914.33/x
  3. Step 3: Cross multiply
    107,891.40x = 148,907.67 × 64,914.33
  4. Step 4: Simplify right side
    107,891.40x = 9,666,240,723.09
  5. Step 5: Solve for x
    x = 9,666,240,723.09/107,891.40
  6. Step 6: Final answer
    x = 89,592.32

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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.