Home / 286,319.03-429,407.56-96,775.18

Finding the Fourth Proportional to 286,319.03, 429,407.56 and 96,775.18

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Solution

The fourth proportional to 286,319.03, 429,407.56 and 96,775.18 is: 145,138.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,319.03 : 429,407.56 = 96,775.18 : x
  2. Step 2: Convert to fraction form
    286,319.03/429,407.56 = 96,775.18/x
  3. Step 3: Cross multiply
    286,319.03x = 429,407.56 × 96,775.18
  4. Step 4: Simplify right side
    286,319.03x = 41,555,992,596.90
  5. Step 5: Solve for x
    x = 41,555,992,596.90/286,319.03
  6. Step 6: Final answer
    x = 145,138.78

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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.