Home / 130,220.40-195,460.20-63,735.60

Finding the Fourth Proportional to 130,220.40, 195,460.20 and 63,735.60

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Solution

The fourth proportional to 130,220.40, 195,460.20 and 63,735.60 is: 95,666.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,220.40 : 195,460.20 = 63,735.60 : x
  2. Step 2: Convert to fraction form
    130,220.40/195,460.20 = 63,735.60/x
  3. Step 3: Cross multiply
    130,220.40x = 195,460.20 × 63,735.60
  4. Step 4: Simplify right side
    130,220.40x = 12,457,773,123.12
  5. Step 5: Solve for x
    x = 12,457,773,123.12/130,220.40
  6. Step 6: Final answer
    x = 95,666.83

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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.