Home / 143,232.08-197,572.69-85,049.38

Finding the Fourth Proportional to 143,232.08, 197,572.69 and 85,049.38

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Solution

The fourth proportional to 143,232.08, 197,572.69 and 85,049.38 is: 117,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,232.08 : 197,572.69 = 85,049.38 : x
  2. Step 2: Convert to fraction form
    143,232.08/197,572.69 = 85,049.38/x
  3. Step 3: Cross multiply
    143,232.08x = 197,572.69 × 85,049.38
  4. Step 4: Simplify right side
    143,232.08x = 16,803,433,552.96
  5. Step 5: Solve for x
    x = 16,803,433,552.96/143,232.08
  6. Step 6: Final answer
    x = 117,316.13

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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.