Home / 143,187.34-197,602.64-79,529.24

Finding the Fourth Proportional to 143,187.34, 197,602.64 and 79,529.24

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Solution

The fourth proportional to 143,187.34, 197,602.64 and 79,529.24 is: 109,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,187.34 : 197,602.64 = 79,529.24 : x
  2. Step 2: Convert to fraction form
    143,187.34/197,602.64 = 79,529.24/x
  3. Step 3: Cross multiply
    143,187.34x = 197,602.64 × 79,529.24
  4. Step 4: Simplify right side
    143,187.34x = 15,715,187,781.19
  5. Step 5: Solve for x
    x = 15,715,187,781.19/143,187.34
  6. Step 6: Final answer
    x = 109,752.63

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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.