Home / 82,254.12-123,381.18-47,118.84

Finding the Fourth Proportional to 82,254.12, 123,381.18 and 47,118.84

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Solution

The fourth proportional to 82,254.12, 123,381.18 and 47,118.84 is: 70,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,254.12 : 123,381.18 = 47,118.84 : x
  2. Step 2: Convert to fraction form
    82,254.12/123,381.18 = 47,118.84/x
  3. Step 3: Cross multiply
    82,254.12x = 123,381.18 × 47,118.84
  4. Step 4: Simplify right side
    82,254.12x = 5,813,578,079.43
  5. Step 5: Solve for x
    x = 5,813,578,079.43/82,254.12
  6. Step 6: Final answer
    x = 70,678.26

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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.