Home / 120,373.83-180,555.28-45,488.25

Finding the Fourth Proportional to 120,373.83, 180,555.28 and 45,488.25

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Solution

The fourth proportional to 120,373.83, 180,555.28 and 45,488.25 is: 68,230.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,373.83 : 180,555.28 = 45,488.25 : x
  2. Step 2: Convert to fraction form
    120,373.83/180,555.28 = 45,488.25/x
  3. Step 3: Cross multiply
    120,373.83x = 180,555.28 × 45,488.25
  4. Step 4: Simplify right side
    120,373.83x = 8,213,143,601.74
  5. Step 5: Solve for x
    x = 8,213,143,601.74/120,373.83
  6. Step 6: Final answer
    x = 68,230.31

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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.