Home / 130,018.12-195,027.18-45,758.44

Finding the Fourth Proportional to 130,018.12, 195,027.18 and 45,758.44

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Solution

The fourth proportional to 130,018.12, 195,027.18 and 45,758.44 is: 68,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,018.12 : 195,027.18 = 45,758.44 : x
  2. Step 2: Convert to fraction form
    130,018.12/195,027.18 = 45,758.44/x
  3. Step 3: Cross multiply
    130,018.12x = 195,027.18 × 45,758.44
  4. Step 4: Simplify right side
    130,018.12x = 8,924,139,514.40
  5. Step 5: Solve for x
    x = 8,924,139,514.40/130,018.12
  6. Step 6: Final answer
    x = 68,637.66

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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.