Home / 286,631.02-429,950.76-109,147.96

Finding the Fourth Proportional to 286,631.02, 429,950.76 and 109,147.96

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Solution

The fourth proportional to 286,631.02, 429,950.76 and 109,147.96 is: 163,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,631.02 : 429,950.76 = 109,147.96 : x
  2. Step 2: Convert to fraction form
    286,631.02/429,950.76 = 109,147.96/x
  3. Step 3: Cross multiply
    286,631.02x = 429,950.76 × 109,147.96
  4. Step 4: Simplify right side
    286,631.02x = 46,928,248,354.45
  5. Step 5: Solve for x
    x = 46,928,248,354.45/286,631.02
  6. Step 6: Final answer
    x = 163,723.55

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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.