Home / 188,779.83-260,518.01-103,898.85

Finding the Fourth Proportional to 188,779.83, 260,518.01 and 103,898.85

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Solution

The fourth proportional to 188,779.83, 260,518.01 and 103,898.85 is: 143,381.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,779.83 : 260,518.01 = 103,898.85 : x
  2. Step 2: Convert to fraction form
    188,779.83/260,518.01 = 103,898.85/x
  3. Step 3: Cross multiply
    188,779.83x = 260,518.01 × 103,898.85
  4. Step 4: Simplify right side
    188,779.83x = 27,067,521,123.79
  5. Step 5: Solve for x
    x = 27,067,521,123.79/188,779.83
  6. Step 6: Final answer
    x = 143,381.43

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1.5x scale

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.