Home / 185,124.63-255,473.22-100,241.70

Finding the Fourth Proportional to 185,124.63, 255,473.22 and 100,241.70

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Solution

The fourth proportional to 185,124.63, 255,473.22 and 100,241.70 is: 138,334.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,124.63 : 255,473.22 = 100,241.70 : x
  2. Step 2: Convert to fraction form
    185,124.63/255,473.22 = 100,241.70/x
  3. Step 3: Cross multiply
    185,124.63x = 255,473.22 × 100,241.70
  4. Step 4: Simplify right side
    185,124.63x = 25,609,069,877.27
  5. Step 5: Solve for x
    x = 25,609,069,877.27/185,124.63
  6. Step 6: Final answer
    x = 138,334.21

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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.