Home / 153,039.10-229,558.65-53,166.10

Finding the Fourth Proportional to 153,039.10, 229,558.65 and 53,166.10

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Solution

The fourth proportional to 153,039.10, 229,558.65 and 53,166.10 is: 79,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,039.10 : 229,558.65 = 53,166.10 : x
  2. Step 2: Convert to fraction form
    153,039.10/229,558.65 = 53,166.10/x
  3. Step 3: Cross multiply
    153,039.10x = 229,558.65 × 53,166.10
  4. Step 4: Simplify right side
    153,039.10x = 12,204,738,141.77
  5. Step 5: Solve for x
    x = 12,204,738,141.77/153,039.10
  6. Step 6: Final answer
    x = 79,749.15

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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.