Home / 112,389.30-168,666.90-53,224.87

Finding the Fourth Proportional to 112,389.30, 168,666.90 and 53,224.87

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Solution

The fourth proportional to 112,389.30, 168,666.90 and 53,224.87 is: 79,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.30 : 168,666.90 = 53,224.87 : x
  2. Step 2: Convert to fraction form
    112,389.30/168,666.90 = 53,224.87/x
  3. Step 3: Cross multiply
    112,389.30x = 168,666.90 × 53,224.87
  4. Step 4: Simplify right side
    112,389.30x = 8,977,273,825.80
  5. Step 5: Solve for x
    x = 8,977,273,825.80/112,389.30
  6. Step 6: Final answer
    x = 79,876.59

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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.