Home / 255,372.18-383,043.69-97,616.58

Finding the Fourth Proportional to 255,372.18, 383,043.69 and 97,616.58

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Solution

The fourth proportional to 255,372.18, 383,043.69 and 97,616.58 is: 146,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,372.18 : 383,043.69 = 97,616.58 : x
  2. Step 2: Convert to fraction form
    255,372.18/383,043.69 = 97,616.58/x
  3. Step 3: Cross multiply
    255,372.18x = 383,043.69 × 97,616.58
  4. Step 4: Simplify right side
    255,372.18x = 37,391,415,008.38
  5. Step 5: Solve for x
    x = 37,391,415,008.38/255,372.18
  6. Step 6: Final answer
    x = 146,419.30

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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.