Home / 152,520.23-228,645-57,684.08

Finding the Fourth Proportional to 152,520.23, 228,645 and 57,684.08

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Solution

The fourth proportional to 152,520.23, 228,645 and 57,684.08 is: 86,474.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,520.23 : 228,645 = 57,684.08 : x
  2. Step 2: Convert to fraction form
    152,520.23/228,645 = 57,684.08/x
  3. Step 3: Cross multiply
    152,520.23x = 228,645 × 57,684.08
  4. Step 4: Simplify right side
    152,520.23x = 13,189,176,471.60
  5. Step 5: Solve for x
    x = 13,189,176,471.60/152,520.23
  6. Step 6: Final answer
    x = 86,474.93

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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.