Home / 143,017.60-214,526.40-109,904.80

Finding the Fourth Proportional to 143,017.60, 214,526.40 and 109,904.80

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Solution

The fourth proportional to 143,017.60, 214,526.40 and 109,904.80 is: 164,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,017.60 : 214,526.40 = 109,904.80 : x
  2. Step 2: Convert to fraction form
    143,017.60/214,526.40 = 109,904.80/x
  3. Step 3: Cross multiply
    143,017.60x = 214,526.40 × 109,904.80
  4. Step 4: Simplify right side
    143,017.60x = 23,577,481,086.72
  5. Step 5: Solve for x
    x = 23,577,481,086.72/143,017.60
  6. Step 6: Final answer
    x = 164,857.20

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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.