Home / 240,064.81-331,285.55-131,166.81

Finding the Fourth Proportional to 240,064.81, 331,285.55 and 131,166.81

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Solution

The fourth proportional to 240,064.81, 331,285.55 and 131,166.81 is: 181,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,064.81 : 331,285.55 = 131,166.81 : x
  2. Step 2: Convert to fraction form
    240,064.81/331,285.55 = 131,166.81/x
  3. Step 3: Cross multiply
    240,064.81x = 331,285.55 × 131,166.81
  4. Step 4: Simplify right side
    240,064.81x = 43,453,668,792.60
  5. Step 5: Solve for x
    x = 43,453,668,792.60/240,064.81
  6. Step 6: Final answer
    x = 181,008.07

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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.