Home / 240,632.05-332,101.91-137,291.69

Finding the Fourth Proportional to 240,632.05, 332,101.91 and 137,291.69

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Solution

The fourth proportional to 240,632.05, 332,101.91 and 137,291.69 is: 189,479.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,632.05 : 332,101.91 = 137,291.69 : x
  2. Step 2: Convert to fraction form
    240,632.05/332,101.91 = 137,291.69/x
  3. Step 3: Cross multiply
    240,632.05x = 332,101.91 × 137,291.69
  4. Step 4: Simplify right side
    240,632.05x = 45,594,832,476.13
  5. Step 5: Solve for x
    x = 45,594,832,476.13/240,632.05
  6. Step 6: Final answer
    x = 189,479.47

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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.