Home / 152,054.14-227,940.08-72,129.60

Finding the Fourth Proportional to 152,054.14, 227,940.08 and 72,129.60

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Solution

The fourth proportional to 152,054.14, 227,940.08 and 72,129.60 is: 108,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,054.14 : 227,940.08 = 72,129.60 : x
  2. Step 2: Convert to fraction form
    152,054.14/227,940.08 = 72,129.60/x
  3. Step 3: Cross multiply
    152,054.14x = 227,940.08 × 72,129.60
  4. Step 4: Simplify right side
    152,054.14x = 16,441,225,311.83
  5. Step 5: Solve for x
    x = 16,441,225,311.83/152,054.14
  6. Step 6: Final answer
    x = 108,127.45

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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.