Home / 187,408.80-281,113.20-169,329.60

Finding the Fourth Proportional to 187,408.80, 281,113.20 and 169,329.60

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Solution

The fourth proportional to 187,408.80, 281,113.20 and 169,329.60 is: 253,994.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,408.80 : 281,113.20 = 169,329.60 : x
  2. Step 2: Convert to fraction form
    187,408.80/281,113.20 = 169,329.60/x
  3. Step 3: Cross multiply
    187,408.80x = 281,113.20 × 169,329.60
  4. Step 4: Simplify right side
    187,408.80x = 47,600,785,710.72
  5. Step 5: Solve for x
    x = 47,600,785,710.72/187,408.80
  6. Step 6: Final answer
    x = 253,994.40

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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.