Home / 143,257.99-197,697.20-89,574.13

Finding the Fourth Proportional to 143,257.99, 197,697.20 and 89,574.13

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Solution

The fourth proportional to 143,257.99, 197,697.20 and 89,574.13 is: 123,613.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,257.99 : 197,697.20 = 89,574.13 : x
  2. Step 2: Convert to fraction form
    143,257.99/197,697.20 = 89,574.13/x
  3. Step 3: Cross multiply
    143,257.99x = 197,697.20 × 89,574.13
  4. Step 4: Simplify right side
    143,257.99x = 17,708,553,884.49
  5. Step 5: Solve for x
    x = 17,708,553,884.49/143,257.99
  6. Step 6: Final answer
    x = 123,613.03

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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.