Home / 143,591.02-215,519.51-72,563.63

Finding the Fourth Proportional to 143,591.02, 215,519.51 and 72,563.63

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Solution

The fourth proportional to 143,591.02, 215,519.51 and 72,563.63 is: 108,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,591.02 : 215,519.51 = 72,563.63 : x
  2. Step 2: Convert to fraction form
    143,591.02/215,519.51 = 72,563.63/x
  3. Step 3: Cross multiply
    143,591.02x = 215,519.51 × 72,563.63
  4. Step 4: Simplify right side
    143,591.02x = 15,638,879,002.67
  5. Step 5: Solve for x
    x = 15,638,879,002.67/143,591.02
  6. Step 6: Final answer
    x = 108,912.66

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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.