Home / 152,420.40-228,630.60-93,322.80

Finding the Fourth Proportional to 152,420.40, 228,630.60 and 93,322.80

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Solution

The fourth proportional to 152,420.40, 228,630.60 and 93,322.80 is: 139,984.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,420.40 : 228,630.60 = 93,322.80 : x
  2. Step 2: Convert to fraction form
    152,420.40/228,630.60 = 93,322.80/x
  3. Step 3: Cross multiply
    152,420.40x = 228,630.60 × 93,322.80
  4. Step 4: Simplify right side
    152,420.40x = 21,336,447,757.68
  5. Step 5: Solve for x
    x = 21,336,447,757.68/152,420.40
  6. Step 6: Final answer
    x = 139,984.20

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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.