Home / 152,380.02-228,419.36-72,277.50

Finding the Fourth Proportional to 152,380.02, 228,419.36 and 72,277.50

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Solution

The fourth proportional to 152,380.02, 228,419.36 and 72,277.50 is: 108,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,380.02 : 228,419.36 = 72,277.50 : x
  2. Step 2: Convert to fraction form
    152,380.02/228,419.36 = 72,277.50/x
  3. Step 3: Cross multiply
    152,380.02x = 228,419.36 × 72,277.50
  4. Step 4: Simplify right side
    152,380.02x = 16,509,580,292.40
  5. Step 5: Solve for x
    x = 16,509,580,292.40/152,380.02
  6. Step 6: Final answer
    x = 108,344.78

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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.