Home / 187,430.80-281,146.20-169,351.60

Finding the Fourth Proportional to 187,430.80, 281,146.20 and 169,351.60

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Solution

The fourth proportional to 187,430.80, 281,146.20 and 169,351.60 is: 254,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,430.80 : 281,146.20 = 169,351.60 : x
  2. Step 2: Convert to fraction form
    187,430.80/281,146.20 = 169,351.60/x
  3. Step 3: Cross multiply
    187,430.80x = 281,146.20 × 169,351.60
  4. Step 4: Simplify right side
    187,430.80x = 47,612,558,803.92
  5. Step 5: Solve for x
    x = 47,612,558,803.92/187,430.80
  6. Step 6: Final answer
    x = 254,027.40

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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.