Home / 114,647.30-170,808.72-109,000.89

Finding the Fourth Proportional to 114,647.30, 170,808.72 and 109,000.89

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Solution

The fourth proportional to 114,647.30, 170,808.72 and 109,000.89 is: 162,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,647.30 : 170,808.72 = 109,000.89 : x
  2. Step 2: Convert to fraction form
    114,647.30/170,808.72 = 109,000.89/x
  3. Step 3: Cross multiply
    114,647.30x = 170,808.72 × 109,000.89
  4. Step 4: Simplify right side
    114,647.30x = 18,618,302,499.76
  5. Step 5: Solve for x
    x = 18,618,302,499.76/114,647.30
  6. Step 6: Final answer
    x = 162,396.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.