Home / 130,548.64-195,399.30-70,493.62

Finding the Fourth Proportional to 130,548.64, 195,399.30 and 70,493.62

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Solution

The fourth proportional to 130,548.64, 195,399.30 and 70,493.62 is: 105,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,548.64 : 195,399.30 = 70,493.62 : x
  2. Step 2: Convert to fraction form
    130,548.64/195,399.30 = 70,493.62/x
  3. Step 3: Cross multiply
    130,548.64x = 195,399.30 × 70,493.62
  4. Step 4: Simplify right side
    130,548.64x = 13,774,404,002.47
  5. Step 5: Solve for x
    x = 13,774,404,002.47/130,548.64
  6. Step 6: Final answer
    x = 105,511.66

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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.