Home / 255,534.20-383,447.10-97,875.80

Finding the Fourth Proportional to 255,534.20, 383,447.10 and 97,875.80

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Solution

The fourth proportional to 255,534.20, 383,447.10 and 97,875.80 is: 146,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,534.20 : 383,447.10 = 97,875.80 : x
  2. Step 2: Convert to fraction form
    255,534.20/383,447.10 = 97,875.80/x
  3. Step 3: Cross multiply
    255,534.20x = 383,447.10 × 97,875.80
  4. Step 4: Simplify right side
    255,534.20x = 37,530,191,670.18
  5. Step 5: Solve for x
    x = 37,530,191,670.18/255,534.20
  6. Step 6: Final answer
    x = 146,869.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.