Home / 131,450.20-197,117.70-52,538.20

Finding the Fourth Proportional to 131,450.20, 197,117.70 and 52,538.20

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Solution

The fourth proportional to 131,450.20, 197,117.70 and 52,538.20 is: 78,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,450.20 : 197,117.70 = 52,538.20 : x
  2. Step 2: Convert to fraction form
    131,450.20/197,117.70 = 52,538.20/x
  3. Step 3: Cross multiply
    131,450.20x = 197,117.70 × 52,538.20
  4. Step 4: Simplify right side
    131,450.20x = 10,356,209,146.14
  5. Step 5: Solve for x
    x = 10,356,209,146.14/131,450.20
  6. Step 6: Final answer
    x = 78,784.28

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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.