Home / 177,587.40-245,013.75-126,608.43

Finding the Fourth Proportional to 177,587.40, 245,013.75 and 126,608.43

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Solution

The fourth proportional to 177,587.40, 245,013.75 and 126,608.43 is: 174,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,587.40 : 245,013.75 = 126,608.43 : x
  2. Step 2: Convert to fraction form
    177,587.40/245,013.75 = 126,608.43/x
  3. Step 3: Cross multiply
    177,587.40x = 245,013.75 × 126,608.43
  4. Step 4: Simplify right side
    177,587.40x = 31,020,806,215.91
  5. Step 5: Solve for x
    x = 31,020,806,215.91/177,587.40
  6. Step 6: Final answer
    x = 174,679.09

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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.