Home / 131,165.72-196,759.40-42,433.48

Finding the Fourth Proportional to 131,165.72, 196,759.40 and 42,433.48

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Solution

The fourth proportional to 131,165.72, 196,759.40 and 42,433.48 is: 63,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,165.72 : 196,759.40 = 42,433.48 : x
  2. Step 2: Convert to fraction form
    131,165.72/196,759.40 = 42,433.48/x
  3. Step 3: Cross multiply
    131,165.72x = 196,759.40 × 42,433.48
  4. Step 4: Simplify right side
    131,165.72x = 8,349,186,064.71
  5. Step 5: Solve for x
    x = 8,349,186,064.71/131,165.72
  6. Step 6: Final answer
    x = 63,653.72

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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.