Home / 106,145.60-146,482.08-57,747.80

Finding the Fourth Proportional to 106,145.60, 146,482.08 and 57,747.80

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Solution

The fourth proportional to 106,145.60, 146,482.08 and 57,747.80 is: 79,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,145.60 : 146,482.08 = 57,747.80 : x
  2. Step 2: Convert to fraction form
    106,145.60/146,482.08 = 57,747.80/x
  3. Step 3: Cross multiply
    106,145.60x = 146,482.08 × 57,747.80
  4. Step 4: Simplify right side
    106,145.60x = 8,459,017,892.88
  5. Step 5: Solve for x
    x = 8,459,017,892.88/106,145.60
  6. Step 6: Final answer
    x = 79,692.59

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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.