Home / 205,423.08-283,478.55-114,779.79

Finding the Fourth Proportional to 205,423.08, 283,478.55 and 114,779.79

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Solution

The fourth proportional to 205,423.08, 283,478.55 and 114,779.79 is: 158,393.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,423.08 : 283,478.55 = 114,779.79 : x
  2. Step 2: Convert to fraction form
    205,423.08/283,478.55 = 114,779.79/x
  3. Step 3: Cross multiply
    205,423.08x = 283,478.55 × 114,779.79
  4. Step 4: Simplify right side
    205,423.08x = 32,537,608,438.50
  5. Step 5: Solve for x
    x = 32,537,608,438.50/205,423.08
  6. Step 6: Final answer
    x = 158,393.15

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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.