Home / 174,029.60-261,044.40-90,912.80

Finding the Fourth Proportional to 174,029.60, 261,044.40 and 90,912.80

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Solution

The fourth proportional to 174,029.60, 261,044.40 and 90,912.80 is: 136,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,029.60 : 261,044.40 = 90,912.80 : x
  2. Step 2: Convert to fraction form
    174,029.60/261,044.40 = 90,912.80/x
  3. Step 3: Cross multiply
    174,029.60x = 261,044.40 × 90,912.80
  4. Step 4: Simplify right side
    174,029.60x = 23,732,277,328.32
  5. Step 5: Solve for x
    x = 23,732,277,328.32/174,029.60
  6. Step 6: Final answer
    x = 136,369.20

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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.