Home / 130,018.62-195,027.93-45,758.94

Finding the Fourth Proportional to 130,018.62, 195,027.93 and 45,758.94

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Solution

The fourth proportional to 130,018.62, 195,027.93 and 45,758.94 is: 68,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,018.62 : 195,027.93 = 45,758.94 : x
  2. Step 2: Convert to fraction form
    130,018.62/195,027.93 = 45,758.94/x
  3. Step 3: Cross multiply
    130,018.62x = 195,027.93 × 45,758.94
  4. Step 4: Simplify right side
    130,018.62x = 8,924,271,347.19
  5. Step 5: Solve for x
    x = 8,924,271,347.19/130,018.62
  6. Step 6: Final answer
    x = 68,638.41

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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.