Home / 143,400.02-215,104.50-48,628.80

Finding the Fourth Proportional to 143,400.02, 215,104.50 and 48,628.80

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Solution

The fourth proportional to 143,400.02, 215,104.50 and 48,628.80 is: 72,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,400.02 : 215,104.50 = 48,628.80 : x
  2. Step 2: Convert to fraction form
    143,400.02/215,104.50 = 48,628.80/x
  3. Step 3: Cross multiply
    143,400.02x = 215,104.50 × 48,628.80
  4. Step 4: Simplify right side
    143,400.02x = 10,460,273,709.60
  5. Step 5: Solve for x
    x = 10,460,273,709.60/143,400.02
  6. Step 6: Final answer
    x = 72,944.72

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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.