Home / 102,692.03-141,700.97-57,364.40

Finding the Fourth Proportional to 102,692.03, 141,700.97 and 57,364.40

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Solution

The fourth proportional to 102,692.03, 141,700.97 and 57,364.40 is: 79,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,692.03 : 141,700.97 = 57,364.40 : x
  2. Step 2: Convert to fraction form
    102,692.03/141,700.97 = 57,364.40/x
  3. Step 3: Cross multiply
    102,692.03x = 141,700.97 × 57,364.40
  4. Step 4: Simplify right side
    102,692.03x = 8,128,591,459.79
  5. Step 5: Solve for x
    x = 8,128,591,459.79/102,692.03
  6. Step 6: Final answer
    x = 79,155.04

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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.