Home / 118,278.64-177,470.76-64,259.72

Finding the Fourth Proportional to 118,278.64, 177,470.76 and 64,259.72

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Solution

The fourth proportional to 118,278.64, 177,470.76 and 64,259.72 is: 96,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,278.64 : 177,470.76 = 64,259.72 : x
  2. Step 2: Convert to fraction form
    118,278.64/177,470.76 = 64,259.72/x
  3. Step 3: Cross multiply
    118,278.64x = 177,470.76 × 64,259.72
  4. Step 4: Simplify right side
    118,278.64x = 11,404,221,345.79
  5. Step 5: Solve for x
    x = 11,404,221,345.79/118,278.64
  6. Step 6: Final answer
    x = 96,418.27

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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.