Home / 186,899.18-280,346.13-87,003.50

Finding the Fourth Proportional to 186,899.18, 280,346.13 and 87,003.50

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Solution

The fourth proportional to 186,899.18, 280,346.13 and 87,003.50 is: 130,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899.18 : 280,346.13 = 87,003.50 : x
  2. Step 2: Convert to fraction form
    186,899.18/280,346.13 = 87,003.50/x
  3. Step 3: Cross multiply
    186,899.18x = 280,346.13 × 87,003.50
  4. Step 4: Simplify right side
    186,899.18x = 24,391,094,521.46
  5. Step 5: Solve for x
    x = 24,391,094,521.46/186,899.18
  6. Step 6: Final answer
    x = 130,504.02

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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.