Home / 97,179.04-134,140.64-56,905.76

Finding the Fourth Proportional to 97,179.04, 134,140.64 and 56,905.76

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Solution

The fourth proportional to 97,179.04, 134,140.64 and 56,905.76 is: 78,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,179.04 : 134,140.64 = 56,905.76 : x
  2. Step 2: Convert to fraction form
    97,179.04/134,140.64 = 56,905.76/x
  3. Step 3: Cross multiply
    97,179.04x = 134,140.64 × 56,905.76
  4. Step 4: Simplify right side
    97,179.04x = 7,633,375,066.09
  5. Step 5: Solve for x
    x = 7,633,375,066.09/97,179.04
  6. Step 6: Final answer
    x = 78,549.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.