Home / 185,027.50-255,337.95-100,145.26

Finding the Fourth Proportional to 185,027.50, 255,337.95 and 100,145.26

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Solution

The fourth proportional to 185,027.50, 255,337.95 and 100,145.26 is: 138,200.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,027.50 : 255,337.95 = 100,145.26 : x
  2. Step 2: Convert to fraction form
    185,027.50/255,337.95 = 100,145.26/x
  3. Step 3: Cross multiply
    185,027.50x = 255,337.95 × 100,145.26
  4. Step 4: Simplify right side
    185,027.50x = 25,570,885,390.62
  5. Step 5: Solve for x
    x = 25,570,885,390.62/185,027.50
  6. Step 6: Final answer
    x = 138,200.46

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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.