Home / 99,590.99-137,433.85-54,269.36

Finding the Fourth Proportional to 99,590.99, 137,433.85 and 54,269.36

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Solution

The fourth proportional to 99,590.99, 137,433.85 and 54,269.36 is: 74,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,590.99 : 137,433.85 = 54,269.36 : x
  2. Step 2: Convert to fraction form
    99,590.99/137,433.85 = 54,269.36/x
  3. Step 3: Cross multiply
    99,590.99x = 137,433.85 × 54,269.36
  4. Step 4: Simplify right side
    99,590.99x = 7,458,446,774.37
  5. Step 5: Solve for x
    x = 7,458,446,774.37/99,590.99
  6. Step 6: Final answer
    x = 74,890.78

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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.