Home / 131,726.74-197,590.57-31,886.78

Finding the Fourth Proportional to 131,726.74, 197,590.57 and 31,886.78

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Solution

The fourth proportional to 131,726.74, 197,590.57 and 31,886.78 is: 47,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,726.74 : 197,590.57 = 31,886.78 : x
  2. Step 2: Convert to fraction form
    131,726.74/197,590.57 = 31,886.78/x
  3. Step 3: Cross multiply
    131,726.74x = 197,590.57 × 31,886.78
  4. Step 4: Simplify right side
    131,726.74x = 6,300,527,035.66
  5. Step 5: Solve for x
    x = 6,300,527,035.66/131,726.74
  6. Step 6: Final answer
    x = 47,830.28

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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.