Home / 117,628.28-176,423.88-97,765.30

Finding the Fourth Proportional to 117,628.28, 176,423.88 and 97,765.30

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Solution

The fourth proportional to 117,628.28, 176,423.88 and 97,765.30 is: 146,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.28 : 176,423.88 = 97,765.30 : x
  2. Step 2: Convert to fraction form
    117,628.28/176,423.88 = 97,765.30/x
  3. Step 3: Cross multiply
    117,628.28x = 176,423.88 × 97,765.30
  4. Step 4: Simplify right side
    117,628.28x = 17,248,133,555.36
  5. Step 5: Solve for x
    x = 17,248,133,555.36/117,628.28
  6. Step 6: Final answer
    x = 146,632.54

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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.