Home / 286,740.42-429,520.02-168,125.73

Finding the Fourth Proportional to 286,740.42, 429,520.02 and 168,125.73

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Solution

The fourth proportional to 286,740.42, 429,520.02 and 168,125.73 is: 251,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,740.42 : 429,520.02 = 168,125.73 : x
  2. Step 2: Convert to fraction form
    286,740.42/429,520.02 = 168,125.73/x
  3. Step 3: Cross multiply
    286,740.42x = 429,520.02 × 168,125.73
  4. Step 4: Simplify right side
    286,740.42x = 72,213,366,912.11
  5. Step 5: Solve for x
    x = 72,213,366,912.11/286,740.42
  6. Step 6: Final answer
    x = 251,842.30

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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.