Home / 89,196.30-133,814.16-30,030

Finding the Fourth Proportional to 89,196.30, 133,814.16 and 30,030

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Solution

The fourth proportional to 89,196.30, 133,814.16 and 30,030 is: 45,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,196.30 : 133,814.16 = 30,030 : x
  2. Step 2: Convert to fraction form
    89,196.30/133,814.16 = 30,030/x
  3. Step 3: Cross multiply
    89,196.30x = 133,814.16 × 30,030
  4. Step 4: Simplify right side
    89,196.30x = 4,018,439,224.80
  5. Step 5: Solve for x
    x = 4,018,439,224.80/89,196.30
  6. Step 6: Final answer
    x = 45,051.64

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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.