Home / 186,899.68-280,346.88-87,004

Finding the Fourth Proportional to 186,899.68, 280,346.88 and 87,004

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Solution

The fourth proportional to 186,899.68, 280,346.88 and 87,004 is: 130,504.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899.68 : 280,346.88 = 87,004 : x
  2. Step 2: Convert to fraction form
    186,899.68/280,346.88 = 87,004/x
  3. Step 3: Cross multiply
    186,899.68x = 280,346.88 × 87,004
  4. Step 4: Simplify right side
    186,899.68x = 24,391,299,947.52
  5. Step 5: Solve for x
    x = 24,391,299,947.52/186,899.68
  6. Step 6: Final answer
    x = 130,504.77

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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.