Home / 119,526.30-179,289.57-30,780

Finding the Fourth Proportional to 119,526.30, 179,289.57 and 30,780

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Solution

The fourth proportional to 119,526.30, 179,289.57 and 30,780 is: 46,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,526.30 : 179,289.57 = 30,780 : x
  2. Step 2: Convert to fraction form
    119,526.30/179,289.57 = 30,780/x
  3. Step 3: Cross multiply
    119,526.30x = 179,289.57 × 30,780
  4. Step 4: Simplify right side
    119,526.30x = 5,518,532,964.60
  5. Step 5: Solve for x
    x = 5,518,532,964.60/119,526.30
  6. Step 6: Final answer
    x = 46,170.03

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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.