Home / 169,601.04-254,456.85-85,317.70

Finding the Fourth Proportional to 169,601.04, 254,456.85 and 85,317.70

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Solution

The fourth proportional to 169,601.04, 254,456.85 and 85,317.70 is: 128,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,601.04 : 254,456.85 = 85,317.70 : x
  2. Step 2: Convert to fraction form
    169,601.04/254,456.85 = 85,317.70/x
  3. Step 3: Cross multiply
    169,601.04x = 254,456.85 × 85,317.70
  4. Step 4: Simplify right side
    169,601.04x = 21,709,673,191.25
  5. Step 5: Solve for x
    x = 21,709,673,191.25/169,601.04
  6. Step 6: Final answer
    x = 128,004.36

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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.