Home / 151,279.10-208,763.44-83,294.69

Finding the Fourth Proportional to 151,279.10, 208,763.44 and 83,294.69

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Solution

The fourth proportional to 151,279.10, 208,763.44 and 83,294.69 is: 114,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,279.10 : 208,763.44 = 83,294.69 : x
  2. Step 2: Convert to fraction form
    151,279.10/208,763.44 = 83,294.69/x
  3. Step 3: Cross multiply
    151,279.10x = 208,763.44 × 83,294.69
  4. Step 4: Simplify right side
    151,279.10x = 17,388,886,018.13
  5. Step 5: Solve for x
    x = 17,388,886,018.13/151,279.10
  6. Step 6: Final answer
    x = 114,945.73

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1.5x scale

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.