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Finding the Fourth Proportional to 110,798.16, 152,883.45 and 65,469.93

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Solution

The fourth proportional to 110,798.16, 152,883.45 and 65,469.93 is: 90,337.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,798.16 : 152,883.45 = 65,469.93 : x
  2. Step 2: Convert to fraction form
    110,798.16/152,883.45 = 65,469.93/x
  3. Step 3: Cross multiply
    110,798.16x = 152,883.45 × 65,469.93
  4. Step 4: Simplify right side
    110,798.16x = 10,009,268,769.66
  5. Step 5: Solve for x
    x = 10,009,268,769.66/110,798.16
  6. Step 6: Final answer
    x = 90,337.86

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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.