Home / 127,991.18-191,964.90-34,475.06

Finding the Fourth Proportional to 127,991.18, 191,964.90 and 34,475.06

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Solution

The fourth proportional to 127,991.18, 191,964.90 and 34,475.06 is: 51,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,991.18 : 191,964.90 = 34,475.06 : x
  2. Step 2: Convert to fraction form
    127,991.18/191,964.90 = 34,475.06/x
  3. Step 3: Cross multiply
    127,991.18x = 191,964.90 × 34,475.06
  4. Step 4: Simplify right side
    127,991.18x = 6,618,001,925.31
  5. Step 5: Solve for x
    x = 6,618,001,925.31/127,991.18
  6. Step 6: Final answer
    x = 51,706.70

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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.