Home / 152,276.80-228,415.20-105,037.60

Finding the Fourth Proportional to 152,276.80, 228,415.20 and 105,037.60

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Solution

The fourth proportional to 152,276.80, 228,415.20 and 105,037.60 is: 157,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,276.80 : 228,415.20 = 105,037.60 : x
  2. Step 2: Convert to fraction form
    152,276.80/228,415.20 = 105,037.60/x
  3. Step 3: Cross multiply
    152,276.80x = 228,415.20 × 105,037.60
  4. Step 4: Simplify right side
    152,276.80x = 23,992,184,411.52
  5. Step 5: Solve for x
    x = 23,992,184,411.52/152,276.80
  6. Step 6: Final answer
    x = 157,556.40

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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.