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Finding the Fourth Proportional to 176,238.99, 243,108 and 112,504.95

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Solution

The fourth proportional to 176,238.99, 243,108 and 112,504.95 is: 155,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,238.99 : 243,108 = 112,504.95 : x
  2. Step 2: Convert to fraction form
    176,238.99/243,108 = 112,504.95/x
  3. Step 3: Cross multiply
    176,238.99x = 243,108 × 112,504.95
  4. Step 4: Simplify right side
    176,238.99x = 27,350,853,384.60
  5. Step 5: Solve for x
    x = 27,350,853,384.60/176,238.99
  6. Step 6: Final answer
    x = 155,191.84

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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.