Home / 255,225.86-352,205.47-140,503.57

Finding the Fourth Proportional to 255,225.86, 352,205.47 and 140,503.57

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Solution

The fourth proportional to 255,225.86, 352,205.47 and 140,503.57 is: 193,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,225.86 : 352,205.47 = 140,503.57 : x
  2. Step 2: Convert to fraction form
    255,225.86/352,205.47 = 140,503.57/x
  3. Step 3: Cross multiply
    255,225.86x = 352,205.47 × 140,503.57
  4. Step 4: Simplify right side
    255,225.86x = 49,486,123,444.98
  5. Step 5: Solve for x
    x = 49,486,123,444.98/255,225.86
  6. Step 6: Final answer
    x = 193,891.50

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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.