Home / 118,242.42-177,374.56-47,147.90

Finding the Fourth Proportional to 118,242.42, 177,374.56 and 47,147.90

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Solution

The fourth proportional to 118,242.42, 177,374.56 and 47,147.90 is: 70,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,242.42 : 177,374.56 = 47,147.90 : x
  2. Step 2: Convert to fraction form
    118,242.42/177,374.56 = 47,147.90/x
  3. Step 3: Cross multiply
    118,242.42x = 177,374.56 × 47,147.90
  4. Step 4: Simplify right side
    118,242.42x = 8,362,838,017.42
  5. Step 5: Solve for x
    x = 8,362,838,017.42/118,242.42
  6. Step 6: Final answer
    x = 70,726.21

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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.