Home / 109,933.40-164,786.70-59,907.80

Finding the Fourth Proportional to 109,933.40, 164,786.70 and 59,907.80

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Solution

The fourth proportional to 109,933.40, 164,786.70 and 59,907.80 is: 89,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,933.40 : 164,786.70 = 59,907.80 : x
  2. Step 2: Convert to fraction form
    109,933.40/164,786.70 = 59,907.80/x
  3. Step 3: Cross multiply
    109,933.40x = 164,786.70 × 59,907.80
  4. Step 4: Simplify right side
    109,933.40x = 9,872,008,666.26
  5. Step 5: Solve for x
    x = 9,872,008,666.26/109,933.40
  6. Step 6: Final answer
    x = 89,799.90

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1.5x scale

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.