Home / 130,395.12-195,658.29-97,181.88

Finding the Fourth Proportional to 130,395.12, 195,658.29 and 97,181.88

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Solution

The fourth proportional to 130,395.12, 195,658.29 and 97,181.88 is: 145,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,395.12 : 195,658.29 = 97,181.88 : x
  2. Step 2: Convert to fraction form
    130,395.12/195,658.29 = 97,181.88/x
  3. Step 3: Cross multiply
    130,395.12x = 195,658.29 × 97,181.88
  4. Step 4: Simplify right side
    130,395.12x = 19,014,440,459.79
  5. Step 5: Solve for x
    x = 19,014,440,459.79/130,395.12
  6. Step 6: Final answer
    x = 145,821.72

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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.