Home / 131,680.64-197,477.10-56,754

Finding the Fourth Proportional to 131,680.64, 197,477.10 and 56,754

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Solution

The fourth proportional to 131,680.64, 197,477.10 and 56,754 is: 85,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,680.64 : 197,477.10 = 56,754 : x
  2. Step 2: Convert to fraction form
    131,680.64/197,477.10 = 56,754/x
  3. Step 3: Cross multiply
    131,680.64x = 197,477.10 × 56,754
  4. Step 4: Simplify right side
    131,680.64x = 11,207,615,333.40
  5. Step 5: Solve for x
    x = 11,207,615,333.40/131,680.64
  6. Step 6: Final answer
    x = 85,112.10

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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.