Home / 131,486.08-197,404.10-69,200.32

Finding the Fourth Proportional to 131,486.08, 197,404.10 and 69,200.32

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Solution

The fourth proportional to 131,486.08, 197,404.10 and 69,200.32 is: 103,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,486.08 : 197,404.10 = 69,200.32 : x
  2. Step 2: Convert to fraction form
    131,486.08/197,404.10 = 69,200.32/x
  3. Step 3: Cross multiply
    131,486.08x = 197,404.10 × 69,200.32
  4. Step 4: Simplify right side
    131,486.08x = 13,660,426,889.31
  5. Step 5: Solve for x
    x = 13,660,426,889.31/131,486.08
  6. Step 6: Final answer
    x = 103,892.57

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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.