Home / 130,276.80-195,269.40-55,384.20

Finding the Fourth Proportional to 130,276.80, 195,269.40 and 55,384.20

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Solution

The fourth proportional to 130,276.80, 195,269.40 and 55,384.20 is: 83,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,276.80 : 195,269.40 = 55,384.20 : x
  2. Step 2: Convert to fraction form
    130,276.80/195,269.40 = 55,384.20/x
  3. Step 3: Cross multiply
    130,276.80x = 195,269.40 × 55,384.20
  4. Step 4: Simplify right side
    130,276.80x = 10,814,839,503.48
  5. Step 5: Solve for x
    x = 10,814,839,503.48/130,276.80
  6. Step 6: Final answer
    x = 83,014.32

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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.