Home / 135,903.30-187,551.29-75,474.95

Finding the Fourth Proportional to 135,903.30, 187,551.29 and 75,474.95

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Solution

The fourth proportional to 135,903.30, 187,551.29 and 75,474.95 is: 104,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,903.30 : 187,551.29 = 75,474.95 : x
  2. Step 2: Convert to fraction form
    135,903.30/187,551.29 = 75,474.95/x
  3. Step 3: Cross multiply
    135,903.30x = 187,551.29 × 75,474.95
  4. Step 4: Simplify right side
    135,903.30x = 14,155,423,297.43
  5. Step 5: Solve for x
    x = 14,155,423,297.43/135,903.30
  6. Step 6: Final answer
    x = 104,158.05

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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.