Home / 240,619.80-332,025.96-138,678.24

Finding the Fourth Proportional to 240,619.80, 332,025.96 and 138,678.24

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Solution

The fourth proportional to 240,619.80, 332,025.96 and 138,678.24 is: 191,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,619.80 : 332,025.96 = 138,678.24 : x
  2. Step 2: Convert to fraction form
    240,619.80/332,025.96 = 138,678.24/x
  3. Step 3: Cross multiply
    240,619.80x = 332,025.96 × 138,678.24
  4. Step 4: Simplify right side
    240,619.80x = 46,044,775,767.11
  5. Step 5: Solve for x
    x = 46,044,775,767.11/240,619.80
  6. Step 6: Final answer
    x = 191,359.05

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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.