Home / 116,946.24-161,516.40-79,154.88

Finding the Fourth Proportional to 116,946.24, 161,516.40 and 79,154.88

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Solution

The fourth proportional to 116,946.24, 161,516.40 and 79,154.88 is: 109,322.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,946.24 : 161,516.40 = 79,154.88 : x
  2. Step 2: Convert to fraction form
    116,946.24/161,516.40 = 79,154.88/x
  3. Step 3: Cross multiply
    116,946.24x = 161,516.40 × 79,154.88
  4. Step 4: Simplify right side
    116,946.24x = 12,784,811,260.03
  5. Step 5: Solve for x
    x = 12,784,811,260.03/116,946.24
  6. Step 6: Final answer
    x = 109,322.12

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1.5x scale

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.