Home / 82,154.81-123,250.05-25,228.91

Finding the Fourth Proportional to 82,154.81, 123,250.05 and 25,228.91

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Solution

The fourth proportional to 82,154.81, 123,250.05 and 25,228.91 is: 37,848.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,154.81 : 123,250.05 = 25,228.91 : x
  2. Step 2: Convert to fraction form
    82,154.81/123,250.05 = 25,228.91/x
  3. Step 3: Cross multiply
    82,154.81x = 123,250.05 × 25,228.91
  4. Step 4: Simplify right side
    82,154.81x = 3,109,464,727.07
  5. Step 5: Solve for x
    x = 3,109,464,727.07/82,154.81
  6. Step 6: Final answer
    x = 37,848.84

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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.