Home / 134,023.76-200,533.16-79,790.07

Finding the Fourth Proportional to 134,023.76, 200,533.16 and 79,790.07

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Solution

The fourth proportional to 134,023.76, 200,533.16 and 79,790.07 is: 119,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,023.76 : 200,533.16 = 79,790.07 : x
  2. Step 2: Convert to fraction form
    134,023.76/200,533.16 = 79,790.07/x
  3. Step 3: Cross multiply
    134,023.76x = 200,533.16 × 79,790.07
  4. Step 4: Simplify right side
    134,023.76x = 16,000,554,474.77
  5. Step 5: Solve for x
    x = 16,000,554,474.77/134,023.76
  6. Step 6: Final answer
    x = 119,385.96

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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.