Home / 131,516.70-197,145.45-64,967.10

Finding the Fourth Proportional to 131,516.70, 197,145.45 and 64,967.10

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Solution

The fourth proportional to 131,516.70, 197,145.45 and 64,967.10 is: 97,386.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,516.70 : 197,145.45 = 64,967.10 : x
  2. Step 2: Convert to fraction form
    131,516.70/197,145.45 = 64,967.10/x
  3. Step 3: Cross multiply
    131,516.70x = 197,145.45 × 64,967.10
  4. Step 4: Simplify right side
    131,516.70x = 12,807,968,164.70
  5. Step 5: Solve for x
    x = 12,807,968,164.70/131,516.70
  6. Step 6: Final answer
    x = 97,386.63

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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.