Home / 89,246.51-133,870.22-30,082.68

Finding the Fourth Proportional to 89,246.51, 133,870.22 and 30,082.68

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Solution

The fourth proportional to 89,246.51, 133,870.22 and 30,082.68 is: 45,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,246.51 : 133,870.22 = 30,082.68 : x
  2. Step 2: Convert to fraction form
    89,246.51/133,870.22 = 30,082.68/x
  3. Step 3: Cross multiply
    89,246.51x = 133,870.22 × 30,082.68
  4. Step 4: Simplify right side
    89,246.51x = 4,027,174,839.38
  5. Step 5: Solve for x
    x = 4,027,174,839.38/89,246.51
  6. Step 6: Final answer
    x = 45,124.17

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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.