Home / 189,547.89-284,399.17-122,115.16

Finding the Fourth Proportional to 189,547.89, 284,399.17 and 122,115.16

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Solution

The fourth proportional to 189,547.89, 284,399.17 and 122,115.16 is: 183,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,547.89 : 284,399.17 = 122,115.16 : x
  2. Step 2: Convert to fraction form
    189,547.89/284,399.17 = 122,115.16/x
  3. Step 3: Cross multiply
    189,547.89x = 284,399.17 × 122,115.16
  4. Step 4: Simplify right side
    189,547.89x = 34,729,450,198.63
  5. Step 5: Solve for x
    x = 34,729,450,198.63/189,547.89
  6. Step 6: Final answer
    x = 183,222.57

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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.