Home / 90,744.98-136,201.71-46,403.42

Finding the Fourth Proportional to 90,744.98, 136,201.71 and 46,403.42

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Solution

The fourth proportional to 90,744.98, 136,201.71 and 46,403.42 is: 69,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744.98 : 136,201.71 = 46,403.42 : x
  2. Step 2: Convert to fraction form
    90,744.98/136,201.71 = 46,403.42/x
  3. Step 3: Cross multiply
    90,744.98x = 136,201.71 × 46,403.42
  4. Step 4: Simplify right side
    90,744.98x = 6,320,225,153.85
  5. Step 5: Solve for x
    x = 6,320,225,153.85/90,744.98
  6. Step 6: Final answer
    x = 69,648.21

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1.5x scale

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.