Home / 286,125.74-429,188.65-108,632.85

Finding the Fourth Proportional to 286,125.74, 429,188.65 and 108,632.85

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Solution

The fourth proportional to 286,125.74, 429,188.65 and 108,632.85 is: 162,949.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,125.74 : 429,188.65 = 108,632.85 : x
  2. Step 2: Convert to fraction form
    286,125.74/429,188.65 = 108,632.85/x
  3. Step 3: Cross multiply
    286,125.74x = 429,188.65 × 108,632.85
  4. Step 4: Simplify right side
    286,125.74x = 46,623,984,661.64
  5. Step 5: Solve for x
    x = 46,623,984,661.64/286,125.74
  6. Step 6: Final answer
    x = 162,949.28

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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.