Home / 131,590.90-197,384.51-31,750.25

Finding the Fourth Proportional to 131,590.90, 197,384.51 and 31,750.25

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Solution

The fourth proportional to 131,590.90, 197,384.51 and 31,750.25 is: 47,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,590.90 : 197,384.51 = 31,750.25 : x
  2. Step 2: Convert to fraction form
    131,590.90/197,384.51 = 31,750.25/x
  3. Step 3: Cross multiply
    131,590.90x = 197,384.51 × 31,750.25
  4. Step 4: Simplify right side
    131,590.90x = 6,267,008,111.46
  5. Step 5: Solve for x
    x = 6,267,008,111.46/131,590.90
  6. Step 6: Final answer
    x = 47,624.94

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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.