Home / 177,586.40-245,012.37-126,607.43

Finding the Fourth Proportional to 177,586.40, 245,012.37 and 126,607.43

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Solution

The fourth proportional to 177,586.40, 245,012.37 and 126,607.43 is: 174,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,586.40 : 245,012.37 = 126,607.43 : x
  2. Step 2: Convert to fraction form
    177,586.40/245,012.37 = 126,607.43/x
  3. Step 3: Cross multiply
    177,586.40x = 245,012.37 × 126,607.43
  4. Step 4: Simplify right side
    177,586.40x = 31,020,386,483.91
  5. Step 5: Solve for x
    x = 31,020,386,483.91/177,586.40
  6. Step 6: Final answer
    x = 174,677.71

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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.