Home / 240,623.38-332,085-138,652.66

Finding the Fourth Proportional to 240,623.38, 332,085 and 138,652.66

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Solution

The fourth proportional to 240,623.38, 332,085 and 138,652.66 is: 191,354.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,623.38 : 332,085 = 138,652.66 : x
  2. Step 2: Convert to fraction form
    240,623.38/332,085 = 138,652.66/x
  3. Step 3: Cross multiply
    240,623.38x = 332,085 × 138,652.66
  4. Step 4: Simplify right side
    240,623.38x = 46,044,468,596.10
  5. Step 5: Solve for x
    x = 46,044,468,596.10/240,623.38
  6. Step 6: Final answer
    x = 191,354.92

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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.