Home / 203,237.74-280,456.86-112,586.50

Finding the Fourth Proportional to 203,237.74, 280,456.86 and 112,586.50

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Solution

The fourth proportional to 203,237.74, 280,456.86 and 112,586.50 is: 155,363.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.74 : 280,456.86 = 112,586.50 : x
  2. Step 2: Convert to fraction form
    203,237.74/280,456.86 = 112,586.50/x
  3. Step 3: Cross multiply
    203,237.74x = 280,456.86 × 112,586.50
  4. Step 4: Simplify right side
    203,237.74x = 31,575,656,268.39
  5. Step 5: Solve for x
    x = 31,575,656,268.39/203,237.74
  6. Step 6: Final answer
    x = 155,363.15

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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.