Home / 170,194.40-255,301.20-51,869.60

Finding the Fourth Proportional to 170,194.40, 255,301.20 and 51,869.60

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Solution

The fourth proportional to 170,194.40, 255,301.20 and 51,869.60 is: 77,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,194.40 : 255,301.20 = 51,869.60 : x
  2. Step 2: Convert to fraction form
    170,194.40/255,301.20 = 51,869.60/x
  3. Step 3: Cross multiply
    170,194.40x = 255,301.20 × 51,869.60
  4. Step 4: Simplify right side
    170,194.40x = 13,242,371,123.52
  5. Step 5: Solve for x
    x = 13,242,371,123.52/170,194.40
  6. Step 6: Final answer
    x = 77,807.33

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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.