Home / 130,205.24-195,307.29-55,313.90

Finding the Fourth Proportional to 130,205.24, 195,307.29 and 55,313.90

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Solution

The fourth proportional to 130,205.24, 195,307.29 and 55,313.90 is: 82,970.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,205.24 : 195,307.29 = 55,313.90 : x
  2. Step 2: Convert to fraction form
    130,205.24/195,307.29 = 55,313.90/x
  3. Step 3: Cross multiply
    130,205.24x = 195,307.29 × 55,313.90
  4. Step 4: Simplify right side
    130,205.24x = 10,803,207,908.33
  5. Step 5: Solve for x
    x = 10,803,207,908.33/130,205.24
  6. Step 6: Final answer
    x = 82,970.61

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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.