Home / 131,622.72-197,433.92-42,876.08

Finding the Fourth Proportional to 131,622.72, 197,433.92 and 42,876.08

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Solution

The fourth proportional to 131,622.72, 197,433.92 and 42,876.08 is: 64,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,622.72 : 197,433.92 = 42,876.08 : x
  2. Step 2: Convert to fraction form
    131,622.72/197,433.92 = 42,876.08/x
  3. Step 3: Cross multiply
    131,622.72x = 197,433.92 × 42,876.08
  4. Step 4: Simplify right side
    131,622.72x = 8,465,192,548.63
  5. Step 5: Solve for x
    x = 8,465,192,548.63/131,622.72
  6. Step 6: Final answer
    x = 64,314.07

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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.