Home / 130,511.20-195,788.40-55,667.20

Finding the Fourth Proportional to 130,511.20, 195,788.40 and 55,667.20

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Solution

The fourth proportional to 130,511.20, 195,788.40 and 55,667.20 is: 83,510.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,511.20 : 195,788.40 = 55,667.20 : x
  2. Step 2: Convert to fraction form
    130,511.20/195,788.40 = 55,667.20/x
  3. Step 3: Cross multiply
    130,511.20x = 195,788.40 × 55,667.20
  4. Step 4: Simplify right side
    130,511.20x = 10,898,992,020.48
  5. Step 5: Solve for x
    x = 10,898,992,020.48/130,511.20
  6. Step 6: Final answer
    x = 83,510.01

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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.