Home / 187,876.02-259,279.34-107,329.70

Finding the Fourth Proportional to 187,876.02, 259,279.34 and 107,329.70

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Solution

The fourth proportional to 187,876.02, 259,279.34 and 107,329.70 is: 148,120.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.02 : 259,279.34 = 107,329.70 : x
  2. Step 2: Convert to fraction form
    187,876.02/259,279.34 = 107,329.70/x
  3. Step 3: Cross multiply
    187,876.02x = 259,279.34 × 107,329.70
  4. Step 4: Simplify right side
    187,876.02x = 27,828,371,945.35
  5. Step 5: Solve for x
    x = 27,828,371,945.35/187,876.02
  6. Step 6: Final answer
    x = 148,120.94

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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.