Home / 151,423.06-208,961.06-83,446.30

Finding the Fourth Proportional to 151,423.06, 208,961.06 and 83,446.30

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Solution

The fourth proportional to 151,423.06, 208,961.06 and 83,446.30 is: 115,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,423.06 : 208,961.06 = 83,446.30 : x
  2. Step 2: Convert to fraction form
    151,423.06/208,961.06 = 83,446.30/x
  3. Step 3: Cross multiply
    151,423.06x = 208,961.06 × 83,446.30
  4. Step 4: Simplify right side
    151,423.06x = 17,437,027,301.08
  5. Step 5: Solve for x
    x = 17,437,027,301.08/151,423.06
  6. Step 6: Final answer
    x = 115,154.37

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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.