Home / 272,194.07-408,374.06-139,167.72

Finding the Fourth Proportional to 272,194.07, 408,374.06 and 139,167.72

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Solution

The fourth proportional to 272,194.07, 408,374.06 and 139,167.72 is: 208,793.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,194.07 : 408,374.06 = 139,167.72 : x
  2. Step 2: Convert to fraction form
    272,194.07/408,374.06 = 139,167.72/x
  3. Step 3: Cross multiply
    272,194.07x = 408,374.06 × 139,167.72
  4. Step 4: Simplify right side
    272,194.07x = 56,832,486,141.50
  5. Step 5: Solve for x
    x = 56,832,486,141.50/272,194.07
  6. Step 6: Final answer
    x = 208,793.99

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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.