Home / 127,904.20-191,746.90-49,075

Finding the Fourth Proportional to 127,904.20, 191,746.90 and 49,075

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Solution

The fourth proportional to 127,904.20, 191,746.90 and 49,075 is: 73,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.20 : 191,746.90 = 49,075 : x
  2. Step 2: Convert to fraction form
    127,904.20/191,746.90 = 49,075/x
  3. Step 3: Cross multiply
    127,904.20x = 191,746.90 × 49,075
  4. Step 4: Simplify right side
    127,904.20x = 9,409,979,117.50
  5. Step 5: Solve for x
    x = 9,409,979,117.50/127,904.20
  6. Step 6: Final answer
    x = 73,570.52

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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.