Home / 135,280.10-186,692.04-74,849.76

Finding the Fourth Proportional to 135,280.10, 186,692.04 and 74,849.76

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Solution

The fourth proportional to 135,280.10, 186,692.04 and 74,849.76 is: 103,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,280.10 : 186,692.04 = 74,849.76 : x
  2. Step 2: Convert to fraction form
    135,280.10/186,692.04 = 74,849.76/x
  3. Step 3: Cross multiply
    135,280.10x = 186,692.04 × 74,849.76
  4. Step 4: Simplify right side
    135,280.10x = 13,973,854,387.91
  5. Step 5: Solve for x
    x = 13,973,854,387.91/135,280.10
  6. Step 6: Final answer
    x = 103,295.71

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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.