Home / 131,261.04-196,946.64-56,397.60

Finding the Fourth Proportional to 131,261.04, 196,946.64 and 56,397.60

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Solution

The fourth proportional to 131,261.04, 196,946.64 and 56,397.60 is: 84,620.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,261.04 : 196,946.64 = 56,397.60 : x
  2. Step 2: Convert to fraction form
    131,261.04/196,946.64 = 56,397.60/x
  3. Step 3: Cross multiply
    131,261.04x = 196,946.64 × 56,397.60
  4. Step 4: Simplify right side
    131,261.04x = 11,107,317,824.06
  5. Step 5: Solve for x
    x = 11,107,317,824.06/131,261.04
  6. Step 6: Final answer
    x = 84,620.07

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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.