Home / 152,418.40-228,627.60-96,431.20

Finding the Fourth Proportional to 152,418.40, 228,627.60 and 96,431.20

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Solution

The fourth proportional to 152,418.40, 228,627.60 and 96,431.20 is: 144,646.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,418.40 : 228,627.60 = 96,431.20 : x
  2. Step 2: Convert to fraction form
    152,418.40/228,627.60 = 96,431.20/x
  3. Step 3: Cross multiply
    152,418.40x = 228,627.60 × 96,431.20
  4. Step 4: Simplify right side
    152,418.40x = 22,046,833,821.12
  5. Step 5: Solve for x
    x = 22,046,833,821.12/152,418.40
  6. Step 6: Final answer
    x = 144,646.80

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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.