Home / 131,838.98-197,758.53-31,999.32

Finding the Fourth Proportional to 131,838.98, 197,758.53 and 31,999.32

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Solution

The fourth proportional to 131,838.98, 197,758.53 and 31,999.32 is: 47,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,838.98 : 197,758.53 = 31,999.32 : x
  2. Step 2: Convert to fraction form
    131,838.98/197,758.53 = 31,999.32/x
  3. Step 3: Cross multiply
    131,838.98x = 197,758.53 × 31,999.32
  4. Step 4: Simplify right side
    131,838.98x = 6,328,138,484.20
  5. Step 5: Solve for x
    x = 6,328,138,484.20/131,838.98
  6. Step 6: Final answer
    x = 47,999.00

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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.