Home / 187,638.36-281,458.12-45,483.08

Finding the Fourth Proportional to 187,638.36, 281,458.12 and 45,483.08

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Solution

The fourth proportional to 187,638.36, 281,458.12 and 45,483.08 is: 68,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.36 : 281,458.12 = 45,483.08 : x
  2. Step 2: Convert to fraction form
    187,638.36/281,458.12 = 45,483.08/x
  3. Step 3: Cross multiply
    187,638.36x = 281,458.12 × 45,483.08
  4. Step 4: Simplify right side
    187,638.36x = 12,801,582,188.61
  5. Step 5: Solve for x
    x = 12,801,582,188.61/187,638.36
  6. Step 6: Final answer
    x = 68,224.76

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1.5x scale

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.