Home / 130,154.72-195,250.59-40,205.07

Finding the Fourth Proportional to 130,154.72, 195,250.59 and 40,205.07

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Solution

The fourth proportional to 130,154.72, 195,250.59 and 40,205.07 is: 60,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,154.72 : 195,250.59 = 40,205.07 : x
  2. Step 2: Convert to fraction form
    130,154.72/195,250.59 = 40,205.07/x
  3. Step 3: Cross multiply
    130,154.72x = 195,250.59 × 40,205.07
  4. Step 4: Simplify right side
    130,154.72x = 7,850,063,638.49
  5. Step 5: Solve for x
    x = 7,850,063,638.49/130,154.72
  6. Step 6: Final answer
    x = 60,313.33

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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.