Home / 120,423.41-180,677.03-53,870.57

Finding the Fourth Proportional to 120,423.41, 180,677.03 and 53,870.57

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Solution

The fourth proportional to 120,423.41, 180,677.03 and 53,870.57 is: 80,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,423.41 : 180,677.03 = 53,870.57 : x
  2. Step 2: Convert to fraction form
    120,423.41/180,677.03 = 53,870.57/x
  3. Step 3: Cross multiply
    120,423.41x = 180,677.03 × 53,870.57
  4. Step 4: Simplify right side
    120,423.41x = 9,733,173,419.27
  5. Step 5: Solve for x
    x = 9,733,173,419.27/120,423.41
  6. Step 6: Final answer
    x = 80,824.60

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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.