Home / 152,043.20-228,064.80-124,395.20

Finding the Fourth Proportional to 152,043.20, 228,064.80 and 124,395.20

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Solution

The fourth proportional to 152,043.20, 228,064.80 and 124,395.20 is: 186,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,043.20 : 228,064.80 = 124,395.20 : x
  2. Step 2: Convert to fraction form
    152,043.20/228,064.80 = 124,395.20/x
  3. Step 3: Cross multiply
    152,043.20x = 228,064.80 × 124,395.20
  4. Step 4: Simplify right side
    152,043.20x = 28,370,166,408.96
  5. Step 5: Solve for x
    x = 28,370,166,408.96/152,043.20
  6. Step 6: Final answer
    x = 186,592.80

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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.