Home / 120,148.46-180,218.63-56,998.83

Finding the Fourth Proportional to 120,148.46, 180,218.63 and 56,998.83

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Solution

The fourth proportional to 120,148.46, 180,218.63 and 56,998.83 is: 85,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,148.46 : 180,218.63 = 56,998.83 : x
  2. Step 2: Convert to fraction form
    120,148.46/180,218.63 = 56,998.83/x
  3. Step 3: Cross multiply
    120,148.46x = 180,218.63 × 56,998.83
  4. Step 4: Simplify right side
    120,148.46x = 10,272,251,196.70
  5. Step 5: Solve for x
    x = 10,272,251,196.70/120,148.46
  6. Step 6: Final answer
    x = 85,496.32

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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.