Home / 189,689.83-284,675.07-89,850.25

Finding the Fourth Proportional to 189,689.83, 284,675.07 and 89,850.25

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Solution

The fourth proportional to 189,689.83, 284,675.07 and 89,850.25 is: 134,841.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,689.83 : 284,675.07 = 89,850.25 : x
  2. Step 2: Convert to fraction form
    189,689.83/284,675.07 = 89,850.25/x
  3. Step 3: Cross multiply
    189,689.83x = 284,675.07 × 89,850.25
  4. Step 4: Simplify right side
    189,689.83x = 25,578,127,701.70
  5. Step 5: Solve for x
    x = 25,578,127,701.70/189,689.83
  6. Step 6: Final answer
    x = 134,841.85

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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.