Home / 120,033.02-165,631.45-66,314.83

Finding the Fourth Proportional to 120,033.02, 165,631.45 and 66,314.83

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Solution

The fourth proportional to 120,033.02, 165,631.45 and 66,314.83 is: 91,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,033.02 : 165,631.45 = 66,314.83 : x
  2. Step 2: Convert to fraction form
    120,033.02/165,631.45 = 66,314.83/x
  3. Step 3: Cross multiply
    120,033.02x = 165,631.45 × 66,314.83
  4. Step 4: Simplify right side
    120,033.02x = 10,983,821,697.70
  5. Step 5: Solve for x
    x = 10,983,821,697.70/120,033.02
  6. Step 6: Final answer
    x = 91,506.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.