Home / 131,622.28-197,433.26-42,875.64

Finding the Fourth Proportional to 131,622.28, 197,433.26 and 42,875.64

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Solution

The fourth proportional to 131,622.28, 197,433.26 and 42,875.64 is: 64,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.28 : 197,433.26 = 42,875.64 : x
  2. Step 2: Convert to fraction form
    131,622.28/197,433.26 = 42,875.64/x
  3. Step 3: Cross multiply
    131,622.28x = 197,433.26 × 42,875.64
  4. Step 4: Simplify right side
    131,622.28x = 8,465,077,486.98
  5. Step 5: Solve for x
    x = 8,465,077,486.98/131,622.28
  6. Step 6: Final answer
    x = 64,313.41

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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.