Home / 240,011.12-331,215.53-131,116.95

Finding the Fourth Proportional to 240,011.12, 331,215.53 and 131,116.95

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Solution

The fourth proportional to 240,011.12, 331,215.53 and 131,116.95 is: 180,941.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,011.12 : 331,215.53 = 131,116.95 : x
  2. Step 2: Convert to fraction form
    240,011.12/331,215.53 = 131,116.95/x
  3. Step 3: Cross multiply
    240,011.12x = 331,215.53 × 131,116.95
  4. Step 4: Simplify right side
    240,011.12x = 43,427,969,430.65
  5. Step 5: Solve for x
    x = 43,427,969,430.65/240,011.12
  6. Step 6: Final answer
    x = 180,941.49

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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.