Home / 118,420.38-177,632.19-39,534.48

Finding the Fourth Proportional to 118,420.38, 177,632.19 and 39,534.48

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Solution

The fourth proportional to 118,420.38, 177,632.19 and 39,534.48 is: 59,302.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,420.38 : 177,632.19 = 39,534.48 : x
  2. Step 2: Convert to fraction form
    118,420.38/177,632.19 = 39,534.48/x
  3. Step 3: Cross multiply
    118,420.38x = 177,632.19 × 39,534.48
  4. Step 4: Simplify right side
    118,420.38x = 7,022,596,262.91
  5. Step 5: Solve for x
    x = 7,022,596,262.91/118,420.38
  6. Step 6: Final answer
    x = 59,302.26

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1.5x scale

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.