Home / 152,015.40-228,162.60-77,187.60

Finding the Fourth Proportional to 152,015.40, 228,162.60 and 77,187.60

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Solution

The fourth proportional to 152,015.40, 228,162.60 and 77,187.60 is: 115,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.40 : 228,162.60 = 77,187.60 : x
  2. Step 2: Convert to fraction form
    152,015.40/228,162.60 = 77,187.60/x
  3. Step 3: Cross multiply
    152,015.40x = 228,162.60 × 77,187.60
  4. Step 4: Simplify right side
    152,015.40x = 17,611,323,503.76
  5. Step 5: Solve for x
    x = 17,611,323,503.76/152,015.40
  6. Step 6: Final answer
    x = 115,852.23

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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.