Home / 143,188.34-197,604.02-79,530.24

Finding the Fourth Proportional to 143,188.34, 197,604.02 and 79,530.24

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Solution

The fourth proportional to 143,188.34, 197,604.02 and 79,530.24 is: 109,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,188.34 : 197,604.02 = 79,530.24 : x
  2. Step 2: Convert to fraction form
    143,188.34/197,604.02 = 79,530.24/x
  3. Step 3: Cross multiply
    143,188.34x = 197,604.02 × 79,530.24
  4. Step 4: Simplify right side
    143,188.34x = 15,715,495,135.56
  5. Step 5: Solve for x
    x = 15,715,495,135.56/143,188.34
  6. Step 6: Final answer
    x = 109,754.01

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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.