Home / 120,810.20-181,216.80-36,570.92

Finding the Fourth Proportional to 120,810.20, 181,216.80 and 36,570.92

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Solution

The fourth proportional to 120,810.20, 181,216.80 and 36,570.92 is: 54,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,810.20 : 181,216.80 = 36,570.92 : x
  2. Step 2: Convert to fraction form
    120,810.20/181,216.80 = 36,570.92/x
  3. Step 3: Cross multiply
    120,810.20x = 181,216.80 × 36,570.92
  4. Step 4: Simplify right side
    120,810.20x = 6,627,265,095.46
  5. Step 5: Solve for x
    x = 6,627,265,095.46/120,810.20
  6. Step 6: Final answer
    x = 54,856.83

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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.