Home / 121,455.67-182,188.98-37,209.72

Finding the Fourth Proportional to 121,455.67, 182,188.98 and 37,209.72

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Solution

The fourth proportional to 121,455.67, 182,188.98 and 37,209.72 is: 55,816.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,455.67 : 182,188.98 = 37,209.72 : x
  2. Step 2: Convert to fraction form
    121,455.67/182,188.98 = 37,209.72/x
  3. Step 3: Cross multiply
    121,455.67x = 182,188.98 × 37,209.72
  4. Step 4: Simplify right side
    121,455.67x = 6,779,200,932.89
  5. Step 5: Solve for x
    x = 6,779,200,932.89/121,455.67
  6. Step 6: Final answer
    x = 55,816.26

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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.