Home / 130,659.36-195,988.32-47,553.36

Finding the Fourth Proportional to 130,659.36, 195,988.32 and 47,553.36

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Solution

The fourth proportional to 130,659.36, 195,988.32 and 47,553.36 is: 71,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,659.36 : 195,988.32 = 47,553.36 : x
  2. Step 2: Convert to fraction form
    130,659.36/195,988.32 = 47,553.36/x
  3. Step 3: Cross multiply
    130,659.36x = 195,988.32 × 47,553.36
  4. Step 4: Simplify right side
    130,659.36x = 9,319,903,136.76
  5. Step 5: Solve for x
    x = 9,319,903,136.76/130,659.36
  6. Step 6: Final answer
    x = 71,329.78

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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.