Home / 177,238.35-265,750.29-70,638.66

Finding the Fourth Proportional to 177,238.35, 265,750.29 and 70,638.66

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Solution

The fourth proportional to 177,238.35, 265,750.29 and 70,638.66 is: 105,915.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,238.35 : 265,750.29 = 70,638.66 : x
  2. Step 2: Convert to fraction form
    177,238.35/265,750.29 = 70,638.66/x
  3. Step 3: Cross multiply
    177,238.35x = 265,750.29 × 70,638.66
  4. Step 4: Simplify right side
    177,238.35x = 18,772,244,380.21
  5. Step 5: Solve for x
    x = 18,772,244,380.21/177,238.35
  6. Step 6: Final answer
    x = 105,915.25

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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.