Home / 120,277.61-180,456.49-40,323.48

Finding the Fourth Proportional to 120,277.61, 180,456.49 and 40,323.48

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Solution

The fourth proportional to 120,277.61, 180,456.49 and 40,323.48 is: 60,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,277.61 : 180,456.49 = 40,323.48 : x
  2. Step 2: Convert to fraction form
    120,277.61/180,456.49 = 40,323.48/x
  3. Step 3: Cross multiply
    120,277.61x = 180,456.49 × 40,323.48
  4. Step 4: Simplify right side
    120,277.61x = 7,276,633,039.08
  5. Step 5: Solve for x
    x = 7,276,633,039.08/120,277.61
  6. Step 6: Final answer
    x = 60,498.65

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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.