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Finding the Fourth Proportional to 153,214.79, 229,927.89 and 53,375.81

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Solution

The fourth proportional to 153,214.79, 229,927.89 and 53,375.81 is: 80,100.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,214.79 : 229,927.89 = 53,375.81 : x
  2. Step 2: Convert to fraction form
    153,214.79/229,927.89 = 53,375.81/x
  3. Step 3: Cross multiply
    153,214.79x = 229,927.89 × 53,375.81
  4. Step 4: Simplify right side
    153,214.79x = 12,272,586,220.70
  5. Step 5: Solve for x
    x = 12,272,586,220.70/153,214.79
  6. Step 6: Final answer
    x = 80,100.53

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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.