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Finding the Fourth Proportional to 116,082.80, 174,124.20 and 56,956.40

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Solution

The fourth proportional to 116,082.80, 174,124.20 and 56,956.40 is: 85,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,082.80 : 174,124.20 = 56,956.40 : x
  2. Step 2: Convert to fraction form
    116,082.80/174,124.20 = 56,956.40/x
  3. Step 3: Cross multiply
    116,082.80x = 174,124.20 × 56,956.40
  4. Step 4: Simplify right side
    116,082.80x = 9,917,487,584.88
  5. Step 5: Solve for x
    x = 9,917,487,584.88/116,082.80
  6. Step 6: Final answer
    x = 85,434.60

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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.