Home / 187,820.16-281,740.52-47,580

Finding the Fourth Proportional to 187,820.16, 281,740.52 and 47,580

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Solution

The fourth proportional to 187,820.16, 281,740.52 and 47,580 is: 71,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,820.16 : 281,740.52 = 47,580 : x
  2. Step 2: Convert to fraction form
    187,820.16/281,740.52 = 47,580/x
  3. Step 3: Cross multiply
    187,820.16x = 281,740.52 × 47,580
  4. Step 4: Simplify right side
    187,820.16x = 13,405,213,941.60
  5. Step 5: Solve for x
    x = 13,405,213,941.60/187,820.16
  6. Step 6: Final answer
    x = 71,372.60

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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.