Home / 131,448.30-197,172.45-64,898.70

Finding the Fourth Proportional to 131,448.30, 197,172.45 and 64,898.70

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Solution

The fourth proportional to 131,448.30, 197,172.45 and 64,898.70 is: 97,348.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,448.30 : 197,172.45 = 64,898.70 : x
  2. Step 2: Convert to fraction form
    131,448.30/197,172.45 = 64,898.70/x
  3. Step 3: Cross multiply
    131,448.30x = 197,172.45 × 64,898.70
  4. Step 4: Simplify right side
    131,448.30x = 12,796,235,680.82
  5. Step 5: Solve for x
    x = 12,796,235,680.82/131,448.30
  6. Step 6: Final answer
    x = 97,348.05

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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.