Home / 130,985.75-196,478.63-56,057.34

Finding the Fourth Proportional to 130,985.75, 196,478.63 and 56,057.34

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Solution

The fourth proportional to 130,985.75, 196,478.63 and 56,057.34 is: 84,086.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,985.75 : 196,478.63 = 56,057.34 : x
  2. Step 2: Convert to fraction form
    130,985.75/196,478.63 = 56,057.34/x
  3. Step 3: Cross multiply
    130,985.75x = 196,478.63 × 56,057.34
  4. Step 4: Simplify right side
    130,985.75x = 11,014,068,797.98
  5. Step 5: Solve for x
    x = 11,014,068,797.98/130,985.75
  6. Step 6: Final answer
    x = 84,086.01

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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.