Home / 153,720.42-230,440.23-53,826

Finding the Fourth Proportional to 153,720.42, 230,440.23 and 53,826

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Solution

The fourth proportional to 153,720.42, 230,440.23 and 53,826 is: 80,689.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,720.42 : 230,440.23 = 53,826 : x
  2. Step 2: Convert to fraction form
    153,720.42/230,440.23 = 53,826/x
  3. Step 3: Cross multiply
    153,720.42x = 230,440.23 × 53,826
  4. Step 4: Simplify right side
    153,720.42x = 12,403,675,819.98
  5. Step 5: Solve for x
    x = 12,403,675,819.98/153,720.42
  6. Step 6: Final answer
    x = 80,689.84

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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.