Home / 130,178.64-195,192.08-63,551.28

Finding the Fourth Proportional to 130,178.64, 195,192.08 and 63,551.28

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Solution

The fourth proportional to 130,178.64, 195,192.08 and 63,551.28 is: 95,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,178.64 : 195,192.08 = 63,551.28 : x
  2. Step 2: Convert to fraction form
    130,178.64/195,192.08 = 63,551.28/x
  3. Step 3: Cross multiply
    130,178.64x = 195,192.08 × 63,551.28
  4. Step 4: Simplify right side
    130,178.64x = 12,404,706,529.86
  5. Step 5: Solve for x
    x = 12,404,706,529.86/130,178.64
  6. Step 6: Final answer
    x = 95,289.88

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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.