Home / 179,430.65-247,619.90-102,963.72

Finding the Fourth Proportional to 179,430.65, 247,619.90 and 102,963.72

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Solution

The fourth proportional to 179,430.65, 247,619.90 and 102,963.72 is: 142,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.65 : 247,619.90 = 102,963.72 : x
  2. Step 2: Convert to fraction form
    179,430.65/247,619.90 = 102,963.72/x
  3. Step 3: Cross multiply
    179,430.65x = 247,619.90 × 102,963.72
  4. Step 4: Simplify right side
    179,430.65x = 25,495,865,535.21
  5. Step 5: Solve for x
    x = 25,495,865,535.21/179,430.65
  6. Step 6: Final answer
    x = 142,093.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.