Home / 187,386.96-280,630.05-107,181.77

Finding the Fourth Proportional to 187,386.96, 280,630.05 and 107,181.77

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Solution

The fourth proportional to 187,386.96, 280,630.05 and 107,181.77 is: 160,515.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,386.96 : 280,630.05 = 107,181.77 : x
  2. Step 2: Convert to fraction form
    187,386.96/280,630.05 = 107,181.77/x
  3. Step 3: Cross multiply
    187,386.96x = 280,630.05 × 107,181.77
  4. Step 4: Simplify right side
    187,386.96x = 30,078,425,474.19
  5. Step 5: Solve for x
    x = 30,078,425,474.19/187,386.96
  6. Step 6: Final answer
    x = 160,515.04

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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.