Home / 147,025.80-220,538.70-122,115.60

Finding the Fourth Proportional to 147,025.80, 220,538.70 and 122,115.60

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Solution

The fourth proportional to 147,025.80, 220,538.70 and 122,115.60 is: 183,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,025.80 : 220,538.70 = 122,115.60 : x
  2. Step 2: Convert to fraction form
    147,025.80/220,538.70 = 122,115.60/x
  3. Step 3: Cross multiply
    147,025.80x = 220,538.70 × 122,115.60
  4. Step 4: Simplify right side
    147,025.80x = 26,931,215,673.72
  5. Step 5: Solve for x
    x = 26,931,215,673.72/147,025.80
  6. Step 6: Final answer
    x = 183,173.40

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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.