Home / 131,543.28-197,316.72-42,797.24

Finding the Fourth Proportional to 131,543.28, 197,316.72 and 42,797.24

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Solution

The fourth proportional to 131,543.28, 197,316.72 and 42,797.24 is: 64,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,543.28 : 197,316.72 = 42,797.24 : x
  2. Step 2: Convert to fraction form
    131,543.28/197,316.72 = 42,797.24/x
  3. Step 3: Cross multiply
    131,543.28x = 197,316.72 × 42,797.24
  4. Step 4: Simplify right side
    131,543.28x = 8,444,611,021.85
  5. Step 5: Solve for x
    x = 8,444,611,021.85/131,543.28
  6. Step 6: Final answer
    x = 64,196.45

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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.