Home / 131,477.20-197,244.60-42,715.60

Finding the Fourth Proportional to 131,477.20, 197,244.60 and 42,715.60

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Solution

The fourth proportional to 131,477.20, 197,244.60 and 42,715.60 is: 64,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,477.20 : 197,244.60 = 42,715.60 : x
  2. Step 2: Convert to fraction form
    131,477.20/197,244.60 = 42,715.60/x
  3. Step 3: Cross multiply
    131,477.20x = 197,244.60 × 42,715.60
  4. Step 4: Simplify right side
    131,477.20x = 8,425,421,435.76
  5. Step 5: Solve for x
    x = 8,425,421,435.76/131,477.20
  6. Step 6: Final answer
    x = 64,082.76

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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.