Home / 255,630.09-352,753.45-140,902.41

Finding the Fourth Proportional to 255,630.09, 352,753.45 and 140,902.41

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Solution

The fourth proportional to 255,630.09, 352,753.45 and 140,902.41 is: 194,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,630.09 : 352,753.45 = 140,902.41 : x
  2. Step 2: Convert to fraction form
    255,630.09/352,753.45 = 140,902.41/x
  3. Step 3: Cross multiply
    255,630.09x = 352,753.45 × 140,902.41
  4. Step 4: Simplify right side
    255,630.09x = 49,703,811,240.81
  5. Step 5: Solve for x
    x = 49,703,811,240.81/255,630.09
  6. Step 6: Final answer
    x = 194,436.47

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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.