Home / 187,638.47-281,458.27-45,483.18

Finding the Fourth Proportional to 187,638.47, 281,458.27 and 45,483.18

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Solution

The fourth proportional to 187,638.47, 281,458.27 and 45,483.18 is: 68,224.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.47 : 281,458.27 = 45,483.18 : x
  2. Step 2: Convert to fraction form
    187,638.47/281,458.27 = 45,483.18/x
  3. Step 3: Cross multiply
    187,638.47x = 281,458.27 × 45,483.18
  4. Step 4: Simplify right side
    187,638.47x = 12,801,618,009.37
  5. Step 5: Solve for x
    x = 12,801,618,009.37/187,638.47
  6. Step 6: Final answer
    x = 68,224.91

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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.