Home / 130,047.57-195,070.44-66,885.30

Finding the Fourth Proportional to 130,047.57, 195,070.44 and 66,885.30

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Solution

The fourth proportional to 130,047.57, 195,070.44 and 66,885.30 is: 100,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,047.57 : 195,070.44 = 66,885.30 : x
  2. Step 2: Convert to fraction form
    130,047.57/195,070.44 = 66,885.30/x
  3. Step 3: Cross multiply
    130,047.57x = 195,070.44 × 66,885.30
  4. Step 4: Simplify right side
    130,047.57x = 13,047,344,226.49
  5. Step 5: Solve for x
    x = 13,047,344,226.49/130,047.57
  6. Step 6: Final answer
    x = 100,327.48

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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.