Home / 131,424.30-197,136.45-64,874.70

Finding the Fourth Proportional to 131,424.30, 197,136.45 and 64,874.70

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Solution

The fourth proportional to 131,424.30, 197,136.45 and 64,874.70 is: 97,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.30 : 197,136.45 = 64,874.70 : x
  2. Step 2: Convert to fraction form
    131,424.30/197,136.45 = 64,874.70/x
  3. Step 3: Cross multiply
    131,424.30x = 197,136.45 × 64,874.70
  4. Step 4: Simplify right side
    131,424.30x = 12,789,168,052.82
  5. Step 5: Solve for x
    x = 12,789,168,052.82/131,424.30
  6. Step 6: Final answer
    x = 97,312.05

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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.