Home / 145,125.30-200,273.29-80,594.58

Finding the Fourth Proportional to 145,125.30, 200,273.29 and 80,594.58

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Solution

The fourth proportional to 145,125.30, 200,273.29 and 80,594.58 is: 111,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,125.30 : 200,273.29 = 80,594.58 : x
  2. Step 2: Convert to fraction form
    145,125.30/200,273.29 = 80,594.58/x
  3. Step 3: Cross multiply
    145,125.30x = 200,273.29 × 80,594.58
  4. Step 4: Simplify right side
    145,125.30x = 16,140,941,692.77
  5. Step 5: Solve for x
    x = 16,140,941,692.77/145,125.30
  6. Step 6: Final answer
    x = 111,220.73

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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.